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Finding the Third Proportional to 88,020 and 136,350

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Solution

The third proportional to 88,020 and 136,350 is: 211,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020 : 136,350 = 136,350 : x
  2. Step 2: Convert to fraction form
    88,020/136,350 = 136,350/x
  3. Step 3: Cross multiply
    88,020x = 136,350 × 136,350
  4. Step 4: Simplify right side
    88,020x = 18,591,322,500
  5. Step 5: Solve for x
    x = 18,591,322,500/88,020
  6. Step 6: Final answer
    x = 211,217.02

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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.