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Finding the Third Proportional to 12,352 and 15,904

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Solution

The third proportional to 12,352 and 15,904 is: 20,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352 : 15,904 = 15,904 : x
  2. Step 2: Convert to fraction form
    12,352/15,904 = 15,904/x
  3. Step 3: Cross multiply
    12,352x = 15,904 × 15,904
  4. Step 4: Simplify right side
    12,352x = 252,937,216
  5. Step 5: Solve for x
    x = 252,937,216/12,352
  6. Step 6: Final answer
    x = 20,477.43

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.