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Finding the Third Proportional to 15,076.13 and 31,731.75

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Solution

The third proportional to 15,076.13 and 31,731.75 is: 66,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.13 : 31,731.75 = 31,731.75 : x
  2. Step 2: Convert to fraction form
    15,076.13/31,731.75 = 31,731.75/x
  3. Step 3: Cross multiply
    15,076.13x = 31,731.75 × 31,731.75
  4. Step 4: Simplify right side
    15,076.13x = 1,006,903,958.06
  5. Step 5: Solve for x
    x = 1,006,903,958.06/15,076.13
  6. Step 6: Final answer
    x = 66,787.98

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.