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Finding the Third Proportional to 28,920 and 62,324

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Solution

The third proportional to 28,920 and 62,324 is: 134,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920 : 62,324 = 62,324 : x
  2. Step 2: Convert to fraction form
    28,920/62,324 = 62,324/x
  3. Step 3: Cross multiply
    28,920x = 62,324 × 62,324
  4. Step 4: Simplify right side
    28,920x = 3,884,280,976
  5. Step 5: Solve for x
    x = 3,884,280,976/28,920
  6. Step 6: Final answer
    x = 134,311.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.