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Finding the Third Proportional to 3,340 and 4,792

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Solution

The third proportional to 3,340 and 4,792 is: 6,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340 : 4,792 = 4,792 : x
  2. Step 2: Convert to fraction form
    3,340/4,792 = 4,792/x
  3. Step 3: Cross multiply
    3,340x = 4,792 × 4,792
  4. Step 4: Simplify right side
    3,340x = 22,963,264
  5. Step 5: Solve for x
    x = 22,963,264/3,340
  6. Step 6: Final answer
    x = 6,875.23

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.