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Finding the Third Proportional to 439,723.69 and 662,866.03

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Solution

The third proportional to 439,723.69 and 662,866.03 is: 999,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,723.69 : 662,866.03 = 662,866.03 : x
  2. Step 2: Convert to fraction form
    439,723.69/662,866.03 = 662,866.03/x
  3. Step 3: Cross multiply
    439,723.69x = 662,866.03 × 662,866.03
  4. Step 4: Simplify right side
    439,723.69x = 439,391,375,385.13
  5. Step 5: Solve for x
    x = 439,391,375,385.13/439,723.69
  6. Step 6: Final answer
    x = 999,244.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.