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Finding the Third Proportional to 85,998 and 130,295

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Solution

The third proportional to 85,998 and 130,295 is: 197,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,998 : 130,295 = 130,295 : x
  2. Step 2: Convert to fraction form
    85,998/130,295 = 130,295/x
  3. Step 3: Cross multiply
    85,998x = 130,295 × 130,295
  4. Step 4: Simplify right side
    85,998x = 16,976,787,025
  5. Step 5: Solve for x
    x = 16,976,787,025/85,998
  6. Step 6: Final answer
    x = 197,409.09

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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.