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Finding the Third Proportional to 3,146 and 4,892

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Solution

The third proportional to 3,146 and 4,892 is: 7,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146 : 4,892 = 4,892 : x
  2. Step 2: Convert to fraction form
    3,146/4,892 = 4,892/x
  3. Step 3: Cross multiply
    3,146x = 4,892 × 4,892
  4. Step 4: Simplify right side
    3,146x = 23,931,664
  5. Step 5: Solve for x
    x = 23,931,664/3,146
  6. Step 6: Final answer
    x = 7,607.01

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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.