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Finding the Third Proportional to 15,315 and 22,974

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Solution

The third proportional to 15,315 and 22,974 is: 34,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315 : 22,974 = 22,974 : x
  2. Step 2: Convert to fraction form
    15,315/22,974 = 22,974/x
  3. Step 3: Cross multiply
    15,315x = 22,974 × 22,974
  4. Step 4: Simplify right side
    15,315x = 527,804,676
  5. Step 5: Solve for x
    x = 527,804,676/15,315
  6. Step 6: Final answer
    x = 34,463.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.