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Finding the Third Proportional to 442,849.50 and 687,602.25

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Solution

The third proportional to 442,849.50 and 687,602.25 is: 1,067,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,849.50 : 687,602.25 = 687,602.25 : x
  2. Step 2: Convert to fraction form
    442,849.50/687,602.25 = 687,602.25/x
  3. Step 3: Cross multiply
    442,849.50x = 687,602.25 × 687,602.25
  4. Step 4: Simplify right side
    442,849.50x = 472,796,854,205.06
  5. Step 5: Solve for x
    x = 472,796,854,205.06/442,849.50
  6. Step 6: Final answer
    x = 1,067,624.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.