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Finding the Third Proportional to 130,724 and 195,564

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Solution

The third proportional to 130,724 and 195,564 is: 292,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,724 : 195,564 = 195,564 : x
  2. Step 2: Convert to fraction form
    130,724/195,564 = 195,564/x
  3. Step 3: Cross multiply
    130,724x = 195,564 × 195,564
  4. Step 4: Simplify right side
    130,724x = 38,245,278,096
  5. Step 5: Solve for x
    x = 38,245,278,096/130,724
  6. Step 6: Final answer
    x = 292,565.08

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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.