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Finding the Third Proportional to 15,392 and 24,789

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Solution

The third proportional to 15,392 and 24,789 is: 39,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392 : 24,789 = 24,789 : x
  2. Step 2: Convert to fraction form
    15,392/24,789 = 24,789/x
  3. Step 3: Cross multiply
    15,392x = 24,789 × 24,789
  4. Step 4: Simplify right side
    15,392x = 614,494,521
  5. Step 5: Solve for x
    x = 614,494,521/15,392
  6. Step 6: Final answer
    x = 39,922.98

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.