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Finding the Third Proportional to 9,403,938 and 20,657,356

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Solution

The third proportional to 9,403,938 and 20,657,356 is: 45,377,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403,938 : 20,657,356 = 20,657,356 : x
  2. Step 2: Convert to fraction form
    9,403,938/20,657,356 = 20,657,356/x
  3. Step 3: Cross multiply
    9,403,938x = 20,657,356 × 20,657,356
  4. Step 4: Simplify right side
    9,403,938x = 426,726,356,910,736
  5. Step 5: Solve for x
    x = 426,726,356,910,736/9,403,938
  6. Step 6: Final answer
    x = 45,377,410.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.