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Finding the Third Proportional to 618,715.13 and 892,603.13

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Solution

The third proportional to 618,715.13 and 892,603.13 is: 1,287,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,715.13 : 892,603.13 = 892,603.13 : x
  2. Step 2: Convert to fraction form
    618,715.13/892,603.13 = 892,603.13/x
  3. Step 3: Cross multiply
    618,715.13x = 892,603.13 × 892,603.13
  4. Step 4: Simplify right side
    618,715.13x = 796,740,338,759.77
  5. Step 5: Solve for x
    x = 796,740,338,759.77/618,715.13
  6. Step 6: Final answer
    x = 1,287,733.73

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.