Home / 8,678,363-18,662,770.50

Finding the Third Proportional to 8,678,363 and 18,662,770.50

Calculator

Solution

The third proportional to 8,678,363 and 18,662,770.50 is: 40,134,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,363 : 18,662,770.50 = 18,662,770.50 : x
  2. Step 2: Convert to fraction form
    8,678,363/18,662,770.50 = 18,662,770.50/x
  3. Step 3: Cross multiply
    8,678,363x = 18,662,770.50 × 18,662,770.50
  4. Step 4: Simplify right side
    8,678,363x = 348,299,002,735,670.25
  5. Step 5: Solve for x
    x = 348,299,002,735,670.25/8,678,363
  6. Step 6: Final answer
    x = 40,134,182.30

Related Problems

Find third proportional to 4,339,181.50 and 9,331,385.25
Half scale
Find third proportional to 17,356,726 and 37,325,541
Double scale
Find third proportional to 8,678,365 and 18,662,775
Similar ratio
Find third proportional to 13,017,544.50 and 27,994,155.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.