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Finding the Third Proportional to 103,721.63 and 160,188.75

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Solution

The third proportional to 103,721.63 and 160,188.75 is: 247,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,721.63 : 160,188.75 = 160,188.75 : x
  2. Step 2: Convert to fraction form
    103,721.63/160,188.75 = 160,188.75/x
  3. Step 3: Cross multiply
    103,721.63x = 160,188.75 × 160,188.75
  4. Step 4: Simplify right side
    103,721.63x = 25,660,435,626.56
  5. Step 5: Solve for x
    x = 25,660,435,626.56/103,721.63
  6. Step 6: Final answer
    x = 247,397.16

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.