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Finding the Third Proportional to 57,057 and 83,472

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Solution

The third proportional to 57,057 and 83,472 is: 122,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,057 : 83,472 = 83,472 : x
  2. Step 2: Convert to fraction form
    57,057/83,472 = 83,472/x
  3. Step 3: Cross multiply
    57,057x = 83,472 × 83,472
  4. Step 4: Simplify right side
    57,057x = 6,967,574,784
  5. Step 5: Solve for x
    x = 6,967,574,784/57,057
  6. Step 6: Final answer
    x = 122,116.04

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.