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Finding the Third Proportional to 130,187.25 and 196,678.13

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Solution

The third proportional to 130,187.25 and 196,678.13 is: 297,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,187.25 : 196,678.13 = 196,678.13 : x
  2. Step 2: Convert to fraction form
    130,187.25/196,678.13 = 196,678.13/x
  3. Step 3: Cross multiply
    130,187.25x = 196,678.13 × 196,678.13
  4. Step 4: Simplify right side
    130,187.25x = 38,682,284,853.52
  5. Step 5: Solve for x
    x = 38,682,284,853.52/130,187.25
  6. Step 6: Final answer
    x = 297,128.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.