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Finding the Third Proportional to 5,146 and 8,047

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Solution

The third proportional to 5,146 and 8,047 is: 12,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146 : 8,047 = 8,047 : x
  2. Step 2: Convert to fraction form
    5,146/8,047 = 8,047/x
  3. Step 3: Cross multiply
    5,146x = 8,047 × 8,047
  4. Step 4: Simplify right side
    5,146x = 64,754,209
  5. Step 5: Solve for x
    x = 64,754,209/5,146
  6. Step 6: Final answer
    x = 12,583.41

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.