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Finding the Third Proportional to 58,873,910,311.50 and 128,403,378,790

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Solution

The third proportional to 58,873,910,311.50 and 128,403,378,790 is: 280,046,417,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,873,910,311.50 : 128,403,378,790 = 128,403,378,790 : x
  2. Step 2: Convert to fraction form
    58,873,910,311.50/128,403,378,790 = 128,403,378,790/x
  3. Step 3: Cross multiply
    58,873,910,311.50x = 128,403,378,790 × 128,403,378,790
  4. Step 4: Simplify right side
    58,873,910,311.50x = 16,487,427,684,688,222,748,672
  5. Step 5: Solve for x
    x = 16,487,427,684,688,222,748,672/58,873,910,311.50
  6. Step 6: Final answer
    x = 280,046,417,801.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.