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Finding the Third Proportional to 107,713.50 and 170,480

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Solution

The third proportional to 107,713.50 and 170,480 is: 269,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,713.50 : 170,480 = 170,480 : x
  2. Step 2: Convert to fraction form
    107,713.50/170,480 = 170,480/x
  3. Step 3: Cross multiply
    107,713.50x = 170,480 × 170,480
  4. Step 4: Simplify right side
    107,713.50x = 29,063,430,400
  5. Step 5: Solve for x
    x = 29,063,430,400/107,713.50
  6. Step 6: Final answer
    x = 269,821.61

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.