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Finding the Third Proportional to 2,911.13 and 6,283.88

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Solution

The third proportional to 2,911.13 and 6,283.88 is: 13,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.13 : 6,283.88 = 6,283.88 : x
  2. Step 2: Convert to fraction form
    2,911.13/6,283.88 = 6,283.88/x
  3. Step 3: Cross multiply
    2,911.13x = 6,283.88 × 6,283.88
  4. Step 4: Simplify right side
    2,911.13x = 39,487,085.02
  5. Step 5: Solve for x
    x = 39,487,085.02/2,911.13
  6. Step 6: Final answer
    x = 13,564.20

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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.