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Finding the Third Proportional to 14,672 and 15,824

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Solution

The third proportional to 14,672 and 15,824 is: 17,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672 : 15,824 = 15,824 : x
  2. Step 2: Convert to fraction form
    14,672/15,824 = 15,824/x
  3. Step 3: Cross multiply
    14,672x = 15,824 × 15,824
  4. Step 4: Simplify right side
    14,672x = 250,398,976
  5. Step 5: Solve for x
    x = 250,398,976/14,672
  6. Step 6: Final answer
    x = 17,066.45

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.