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Finding the Third Proportional to 118,220 and 162,566

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Solution

The third proportional to 118,220 and 162,566 is: 223,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,220 : 162,566 = 162,566 : x
  2. Step 2: Convert to fraction form
    118,220/162,566 = 162,566/x
  3. Step 3: Cross multiply
    118,220x = 162,566 × 162,566
  4. Step 4: Simplify right side
    118,220x = 26,427,704,356
  5. Step 5: Solve for x
    x = 26,427,704,356/118,220
  6. Step 6: Final answer
    x = 223,546.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.