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Finding the Third Proportional to 60,142 and 130,489

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Solution

The third proportional to 60,142 and 130,489 is: 283,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,142 : 130,489 = 130,489 : x
  2. Step 2: Convert to fraction form
    60,142/130,489 = 130,489/x
  3. Step 3: Cross multiply
    60,142x = 130,489 × 130,489
  4. Step 4: Simplify right side
    60,142x = 17,027,379,121
  5. Step 5: Solve for x
    x = 17,027,379,121/60,142
  6. Step 6: Final answer
    x = 283,119.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.