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Finding the Third Proportional to 981,555 and 1,472,332.50

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Solution

The third proportional to 981,555 and 1,472,332.50 is: 2,208,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,555 : 1,472,332.50 = 1,472,332.50 : x
  2. Step 2: Convert to fraction form
    981,555/1,472,332.50 = 1,472,332.50/x
  3. Step 3: Cross multiply
    981,555x = 1,472,332.50 × 1,472,332.50
  4. Step 4: Simplify right side
    981,555x = 2,167,762,990,556.25
  5. Step 5: Solve for x
    x = 2,167,762,990,556.25/981,555
  6. Step 6: Final answer
    x = 2,208,498.75

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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.