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Finding the Third Proportional to 31,482 and 48,750.19

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Solution

The third proportional to 31,482 and 48,750.19 is: 75,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482 : 48,750.19 = 48,750.19 : x
  2. Step 2: Convert to fraction form
    31,482/48,750.19 = 48,750.19/x
  3. Step 3: Cross multiply
    31,482x = 48,750.19 × 48,750.19
  4. Step 4: Simplify right side
    31,482x = 2,376,580,781.29
  5. Step 5: Solve for x
    x = 2,376,580,781.29/31,482
  6. Step 6: Final answer
    x = 75,490.15

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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.