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Finding the Third Proportional to 161,339,801 and 243,930,535

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Solution

The third proportional to 161,339,801 and 243,930,535 is: 368,799,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,339,801 : 243,930,535 = 243,930,535 : x
  2. Step 2: Convert to fraction form
    161,339,801/243,930,535 = 243,930,535/x
  3. Step 3: Cross multiply
    161,339,801x = 243,930,535 × 243,930,535
  4. Step 4: Simplify right side
    161,339,801x = 59,502,105,905,386,224
  5. Step 5: Solve for x
    x = 59,502,105,905,386,224/161,339,801
  6. Step 6: Final answer
    x = 368,799,921.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.