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Finding the Third Proportional to 17,280 and 40,464

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Solution

The third proportional to 17,280 and 40,464 is: 94,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280 : 40,464 = 40,464 : x
  2. Step 2: Convert to fraction form
    17,280/40,464 = 40,464/x
  3. Step 3: Cross multiply
    17,280x = 40,464 × 40,464
  4. Step 4: Simplify right side
    17,280x = 1,637,335,296
  5. Step 5: Solve for x
    x = 1,637,335,296/17,280
  6. Step 6: Final answer
    x = 94,753.20

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.