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Finding the Third Proportional to 31,002.75 and 48,124.13

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Solution

The third proportional to 31,002.75 and 48,124.13 is: 74,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.75 : 48,124.13 = 48,124.13 : x
  2. Step 2: Convert to fraction form
    31,002.75/48,124.13 = 48,124.13/x
  3. Step 3: Cross multiply
    31,002.75x = 48,124.13 × 48,124.13
  4. Step 4: Simplify right side
    31,002.75x = 2,315,931,407.02
  5. Step 5: Solve for x
    x = 2,315,931,407.02/31,002.75
  6. Step 6: Final answer
    x = 74,700.84

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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.