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Finding the Third Proportional to 105,102 and 163,180

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Solution

The third proportional to 105,102 and 163,180 is: 253,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,102 : 163,180 = 163,180 : x
  2. Step 2: Convert to fraction form
    105,102/163,180 = 163,180/x
  3. Step 3: Cross multiply
    105,102x = 163,180 × 163,180
  4. Step 4: Simplify right side
    105,102x = 26,627,712,400
  5. Step 5: Solve for x
    x = 26,627,712,400/105,102
  6. Step 6: Final answer
    x = 253,351.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.