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Finding the Third Proportional to 672,728 and 1,011,927

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Solution

The third proportional to 672,728 and 1,011,927 is: 1,522,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,728 : 1,011,927 = 1,011,927 : x
  2. Step 2: Convert to fraction form
    672,728/1,011,927 = 1,011,927/x
  3. Step 3: Cross multiply
    672,728x = 1,011,927 × 1,011,927
  4. Step 4: Simplify right side
    672,728x = 1,023,996,253,329
  5. Step 5: Solve for x
    x = 1,023,996,253,329/672,728
  6. Step 6: Final answer
    x = 1,522,154.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.