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Finding the Third Proportional to 86,042 and 130,360

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Solution

The third proportional to 86,042 and 130,360 is: 197,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,042 : 130,360 = 130,360 : x
  2. Step 2: Convert to fraction form
    86,042/130,360 = 130,360/x
  3. Step 3: Cross multiply
    86,042x = 130,360 × 130,360
  4. Step 4: Simplify right side
    86,042x = 16,993,729,600
  5. Step 5: Solve for x
    x = 16,993,729,600/86,042
  6. Step 6: Final answer
    x = 197,505.05

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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.