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Finding the Third Proportional to 71,232 and 105,750

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Solution

The third proportional to 71,232 and 105,750 is: 156,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,232 : 105,750 = 105,750 : x
  2. Step 2: Convert to fraction form
    71,232/105,750 = 105,750/x
  3. Step 3: Cross multiply
    71,232x = 105,750 × 105,750
  4. Step 4: Simplify right side
    71,232x = 11,183,062,500
  5. Step 5: Solve for x
    x = 11,183,062,500/71,232
  6. Step 6: Final answer
    x = 156,994.93

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.