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Finding the Third Proportional to 130,558 and 195,342

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Solution

The third proportional to 130,558 and 195,342 is: 292,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,558 : 195,342 = 195,342 : x
  2. Step 2: Convert to fraction form
    130,558/195,342 = 195,342/x
  3. Step 3: Cross multiply
    130,558x = 195,342 × 195,342
  4. Step 4: Simplify right side
    130,558x = 38,158,496,964
  5. Step 5: Solve for x
    x = 38,158,496,964/130,558
  6. Step 6: Final answer
    x = 292,272.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.