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Finding the Third Proportional to 225,140 and 342,352

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Solution

The third proportional to 225,140 and 342,352 is: 520,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,140 : 342,352 = 342,352 : x
  2. Step 2: Convert to fraction form
    225,140/342,352 = 342,352/x
  3. Step 3: Cross multiply
    225,140x = 342,352 × 342,352
  4. Step 4: Simplify right side
    225,140x = 117,204,891,904
  5. Step 5: Solve for x
    x = 117,204,891,904/225,140
  6. Step 6: Final answer
    x = 520,586.71

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.