Home / 7,878,340-17,137,041.50

Finding the Third Proportional to 7,878,340 and 17,137,041.50

Calculator

Solution

The third proportional to 7,878,340 and 17,137,041.50 is: 37,276,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,340 : 17,137,041.50 = 17,137,041.50 : x
  2. Step 2: Convert to fraction form
    7,878,340/17,137,041.50 = 17,137,041.50/x
  3. Step 3: Cross multiply
    7,878,340x = 17,137,041.50 × 17,137,041.50
  4. Step 4: Simplify right side
    7,878,340x = 293,678,191,372,722.25
  5. Step 5: Solve for x
    x = 293,678,191,372,722.25/7,878,340
  6. Step 6: Final answer
    x = 37,276,658.71

Related Problems

Find third proportional to 3,939,170 and 8,568,520.75
Half scale
Find third proportional to 15,756,680 and 34,274,083
Double scale
Find third proportional to 7,878,342 and 17,137,046
Similar ratio
Find third proportional to 11,817,510 and 25,705,562.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.