Home / 18,155,938.75-39,181,061.75

Finding the Third Proportional to 18,155,938.75 and 39,181,061.75

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Solution

The third proportional to 18,155,938.75 and 39,181,061.75 is: 84,553,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,938.75 : 39,181,061.75 = 39,181,061.75 : x
  2. Step 2: Convert to fraction form
    18,155,938.75/39,181,061.75 = 39,181,061.75/x
  3. Step 3: Cross multiply
    18,155,938.75x = 39,181,061.75 × 39,181,061.75
  4. Step 4: Simplify right side
    18,155,938.75x = 1,535,155,599,857,313
  5. Step 5: Solve for x
    x = 1,535,155,599,857,313/18,155,938.75
  6. Step 6: Final answer
    x = 84,553,909.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.