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Finding the Third Proportional to 4,612 and 9,960

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Solution

The third proportional to 4,612 and 9,960 is: 21,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612 : 9,960 = 9,960 : x
  2. Step 2: Convert to fraction form
    4,612/9,960 = 9,960/x
  3. Step 3: Cross multiply
    4,612x = 9,960 × 9,960
  4. Step 4: Simplify right side
    4,612x = 99,201,600
  5. Step 5: Solve for x
    x = 99,201,600/4,612
  6. Step 6: Final answer
    x = 21,509.45

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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.