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Finding the Third Proportional to 999,715.50 and 1,428,600.38

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Solution

The third proportional to 999,715.50 and 1,428,600.38 is: 2,041,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,715.50 : 1,428,600.38 = 1,428,600.38 : x
  2. Step 2: Convert to fraction form
    999,715.50/1,428,600.38 = 1,428,600.38/x
  3. Step 3: Cross multiply
    999,715.50x = 1,428,600.38 × 1,428,600.38
  4. Step 4: Simplify right side
    999,715.50x = 2,040,899,031,450.14
  5. Step 5: Solve for x
    x = 2,040,899,031,450.14/999,715.50
  6. Step 6: Final answer
    x = 2,041,479.83

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.