Home / 3,980,329.50-8,636,442

Finding the Third Proportional to 3,980,329.50 and 8,636,442

Calculator

Solution

The third proportional to 3,980,329.50 and 8,636,442 is: 18,739,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,329.50 : 8,636,442 = 8,636,442 : x
  2. Step 2: Convert to fraction form
    3,980,329.50/8,636,442 = 8,636,442/x
  3. Step 3: Cross multiply
    3,980,329.50x = 8,636,442 × 8,636,442
  4. Step 4: Simplify right side
    3,980,329.50x = 74,588,130,419,364
  5. Step 5: Solve for x
    x = 74,588,130,419,364/3,980,329.50
  6. Step 6: Final answer
    x = 18,739,184.89

Related Problems

Find third proportional to 1,990,164.75 and 4,318,221
Half scale
Find third proportional to 7,960,659 and 17,272,884
Double scale
Find third proportional to 3,980,332 and 8,636,446
Similar ratio
Find third proportional to 5,970,494.25 and 12,954,663
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.