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Finding the Third Proportional to 32,320 and 48,928

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Solution

The third proportional to 32,320 and 48,928 is: 74,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,320 : 48,928 = 48,928 : x
  2. Step 2: Convert to fraction form
    32,320/48,928 = 48,928/x
  3. Step 3: Cross multiply
    32,320x = 48,928 × 48,928
  4. Step 4: Simplify right side
    32,320x = 2,393,949,184
  5. Step 5: Solve for x
    x = 2,393,949,184/32,320
  6. Step 6: Final answer
    x = 74,070.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.