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Finding the Third Proportional to 67,520 and 147,750

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Solution

The third proportional to 67,520 and 147,750 is: 323,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520 : 147,750 = 147,750 : x
  2. Step 2: Convert to fraction form
    67,520/147,750 = 147,750/x
  3. Step 3: Cross multiply
    67,520x = 147,750 × 147,750
  4. Step 4: Simplify right side
    67,520x = 21,830,062,500
  5. Step 5: Solve for x
    x = 21,830,062,500/67,520
  6. Step 6: Final answer
    x = 323,312.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.