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Finding the Third Proportional to 81,652.50 and 119,684.25

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Solution

The third proportional to 81,652.50 and 119,684.25 is: 175,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.50 : 119,684.25 = 119,684.25 : x
  2. Step 2: Convert to fraction form
    81,652.50/119,684.25 = 119,684.25/x
  3. Step 3: Cross multiply
    81,652.50x = 119,684.25 × 119,684.25
  4. Step 4: Simplify right side
    81,652.50x = 14,324,319,698.06
  5. Step 5: Solve for x
    x = 14,324,319,698.06/81,652.50
  6. Step 6: Final answer
    x = 175,430.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.