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Finding the Third Proportional to 130,917 and 207,634.50

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Solution

The third proportional to 130,917 and 207,634.50 is: 329,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,917 : 207,634.50 = 207,634.50 : x
  2. Step 2: Convert to fraction form
    130,917/207,634.50 = 207,634.50/x
  3. Step 3: Cross multiply
    130,917x = 207,634.50 × 207,634.50
  4. Step 4: Simplify right side
    130,917x = 43,112,085,590.25
  5. Step 5: Solve for x
    x = 43,112,085,590.25/130,917
  6. Step 6: Final answer
    x = 329,308.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.