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Finding the Third Proportional to 310,026.75 and 664,337.25

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Solution

The third proportional to 310,026.75 and 664,337.25 is: 1,423,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,026.75 : 664,337.25 = 664,337.25 : x
  2. Step 2: Convert to fraction form
    310,026.75/664,337.25 = 664,337.25/x
  3. Step 3: Cross multiply
    310,026.75x = 664,337.25 × 664,337.25
  4. Step 4: Simplify right side
    310,026.75x = 441,343,981,737.56
  5. Step 5: Solve for x
    x = 441,343,981,737.56/310,026.75
  6. Step 6: Final answer
    x = 1,423,567.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.