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Finding the Third Proportional to 133,985,804 and 290,230,552

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Solution

The third proportional to 133,985,804 and 290,230,552 is: 628,676,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,985,804 : 290,230,552 = 290,230,552 : x
  2. Step 2: Convert to fraction form
    133,985,804/290,230,552 = 290,230,552/x
  3. Step 3: Cross multiply
    133,985,804x = 290,230,552 × 290,230,552
  4. Step 4: Simplify right side
    133,985,804x = 84,233,773,314,224,704
  5. Step 5: Solve for x
    x = 84,233,773,314,224,704/133,985,804
  6. Step 6: Final answer
    x = 628,676,850.83

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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.