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Finding the Third Proportional to 499,355 and 1,078,517

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Solution

The third proportional to 499,355 and 1,078,517 is: 2,329,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,355 : 1,078,517 = 1,078,517 : x
  2. Step 2: Convert to fraction form
    499,355/1,078,517 = 1,078,517/x
  3. Step 3: Cross multiply
    499,355x = 1,078,517 × 1,078,517
  4. Step 4: Simplify right side
    499,355x = 1,163,198,919,289
  5. Step 5: Solve for x
    x = 1,163,198,919,289/499,355
  6. Step 6: Final answer
    x = 2,329,402.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.