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Finding the Third Proportional to 133,480,488 and 206,571,672

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Solution

The third proportional to 133,480,488 and 206,571,672 is: 319,686,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,480,488 : 206,571,672 = 206,571,672 : x
  2. Step 2: Convert to fraction form
    133,480,488/206,571,672 = 206,571,672/x
  3. Step 3: Cross multiply
    133,480,488x = 206,571,672 × 206,571,672
  4. Step 4: Simplify right side
    133,480,488x = 42,671,855,672,875,584
  5. Step 5: Solve for x
    x = 42,671,855,672,875,584/133,480,488
  6. Step 6: Final answer
    x = 319,686,092.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.