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Finding the Third Proportional to 133,985,796 and 290,230,536

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Solution

The third proportional to 133,985,796 and 290,230,536 is: 628,676,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,985,796 : 290,230,536 = 290,230,536 : x
  2. Step 2: Convert to fraction form
    133,985,796/290,230,536 = 290,230,536/x
  3. Step 3: Cross multiply
    133,985,796x = 290,230,536 × 290,230,536
  4. Step 4: Simplify right side
    133,985,796x = 84,233,764,026,847,296
  5. Step 5: Solve for x
    x = 84,233,764,026,847,296/133,985,796
  6. Step 6: Final answer
    x = 628,676,819.05

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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.