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Finding the Third Proportional to 34,320 and 48,072

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Solution

The third proportional to 34,320 and 48,072 is: 67,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,320 : 48,072 = 48,072 : x
  2. Step 2: Convert to fraction form
    34,320/48,072 = 48,072/x
  3. Step 3: Cross multiply
    34,320x = 48,072 × 48,072
  4. Step 4: Simplify right side
    34,320x = 2,310,917,184
  5. Step 5: Solve for x
    x = 2,310,917,184/34,320
  6. Step 6: Final answer
    x = 67,334.42

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.