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Finding the Third Proportional to 30,912 and 46,792

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Solution

The third proportional to 30,912 and 46,792 is: 70,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912 : 46,792 = 46,792 : x
  2. Step 2: Convert to fraction form
    30,912/46,792 = 46,792/x
  3. Step 3: Cross multiply
    30,912x = 46,792 × 46,792
  4. Step 4: Simplify right side
    30,912x = 2,189,491,264
  5. Step 5: Solve for x
    x = 2,189,491,264/30,912
  6. Step 6: Final answer
    x = 70,829.82

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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.