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Finding the Third Proportional to 130,870.50 and 207,564.75

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Solution

The third proportional to 130,870.50 and 207,564.75 is: 329,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,870.50 : 207,564.75 = 207,564.75 : x
  2. Step 2: Convert to fraction form
    130,870.50/207,564.75 = 207,564.75/x
  3. Step 3: Cross multiply
    130,870.50x = 207,564.75 × 207,564.75
  4. Step 4: Simplify right side
    130,870.50x = 43,083,125,442.56
  5. Step 5: Solve for x
    x = 43,083,125,442.56/130,870.50
  6. Step 6: Final answer
    x = 329,204.25

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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.