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Finding the Third Proportional to 18,731.63 and 29,002.13

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Solution

The third proportional to 18,731.63 and 29,002.13 is: 44,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.63 : 29,002.13 = 29,002.13 : x
  2. Step 2: Convert to fraction form
    18,731.63/29,002.13 = 29,002.13/x
  3. Step 3: Cross multiply
    18,731.63x = 29,002.13 × 29,002.13
  4. Step 4: Simplify right side
    18,731.63x = 841,123,254.52
  5. Step 5: Solve for x
    x = 841,123,254.52/18,731.63
  6. Step 6: Final answer
    x = 44,903.91

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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.