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Finding the Third Proportional to 2,781.50 and 6,047

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Solution

The third proportional to 2,781.50 and 6,047 is: 13,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.50 : 6,047 = 6,047 : x
  2. Step 2: Convert to fraction form
    2,781.50/6,047 = 6,047/x
  3. Step 3: Cross multiply
    2,781.50x = 6,047 × 6,047
  4. Step 4: Simplify right side
    2,781.50x = 36,566,209
  5. Step 5: Solve for x
    x = 36,566,209/2,781.50
  6. Step 6: Final answer
    x = 13,146.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.