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Finding the Third Proportional to 5,700 and 9,510

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Solution

The third proportional to 5,700 and 9,510 is: 15,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700 : 9,510 = 9,510 : x
  2. Step 2: Convert to fraction form
    5,700/9,510 = 9,510/x
  3. Step 3: Cross multiply
    5,700x = 9,510 × 9,510
  4. Step 4: Simplify right side
    5,700x = 90,440,100
  5. Step 5: Solve for x
    x = 90,440,100/5,700
  6. Step 6: Final answer
    x = 15,866.68

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.