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Finding the Third Proportional to 130,160 and 284,188

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Solution

The third proportional to 130,160 and 284,188 is: 620,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160 : 284,188 = 284,188 : x
  2. Step 2: Convert to fraction form
    130,160/284,188 = 284,188/x
  3. Step 3: Cross multiply
    130,160x = 284,188 × 284,188
  4. Step 4: Simplify right side
    130,160x = 80,762,819,344
  5. Step 5: Solve for x
    x = 80,762,819,344/130,160
  6. Step 6: Final answer
    x = 620,488.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.