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Finding the Third Proportional to 15,480 and 34,468

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Solution

The third proportional to 15,480 and 34,468 is: 76,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480 : 34,468 = 34,468 : x
  2. Step 2: Convert to fraction form
    15,480/34,468 = 34,468/x
  3. Step 3: Cross multiply
    15,480x = 34,468 × 34,468
  4. Step 4: Simplify right side
    15,480x = 1,188,043,024
  5. Step 5: Solve for x
    x = 1,188,043,024/15,480
  6. Step 6: Final answer
    x = 76,746.97

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.