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Finding the Third Proportional to 222,438 and 344,715.75

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Solution

The third proportional to 222,438 and 344,715.75 is: 534,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,438 : 344,715.75 = 344,715.75 : x
  2. Step 2: Convert to fraction form
    222,438/344,715.75 = 344,715.75/x
  3. Step 3: Cross multiply
    222,438x = 344,715.75 × 344,715.75
  4. Step 4: Simplify right side
    222,438x = 118,828,948,298.06
  5. Step 5: Solve for x
    x = 118,828,948,298.06/222,438
  6. Step 6: Final answer
    x = 534,211.55

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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.