Home / 129,858,567,997.50-279,260,403,937.88

Finding the Third Proportional to 129,858,567,997.50 and 279,260,403,937.88

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Solution

The third proportional to 129,858,567,997.50 and 279,260,403,937.88 is: 600,548,538,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,858,567,997.50 : 279,260,403,937.88 = 279,260,403,937.88 : x
  2. Step 2: Convert to fraction form
    129,858,567,997.50/279,260,403,937.88 = 279,260,403,937.88/x
  3. Step 3: Cross multiply
    129,858,567,997.50x = 279,260,403,937.88 × 279,260,403,937.88
  4. Step 4: Simplify right side
    129,858,567,997.50x = 77,986,373,207,547,910,815,744
  5. Step 5: Solve for x
    x = 77,986,373,207,547,910,815,744/129,858,567,997.50
  6. Step 6: Final answer
    x = 600,548,538,384.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.