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Finding the Third Proportional to 142,318 and 223,246

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Solution

The third proportional to 142,318 and 223,246 is: 350,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,318 : 223,246 = 223,246 : x
  2. Step 2: Convert to fraction form
    142,318/223,246 = 223,246/x
  3. Step 3: Cross multiply
    142,318x = 223,246 × 223,246
  4. Step 4: Simplify right side
    142,318x = 49,838,776,516
  5. Step 5: Solve for x
    x = 49,838,776,516/142,318
  6. Step 6: Final answer
    x = 350,193.06

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.