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Finding the Third Proportional to 2,775.13 and 4,130.26

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Solution

The third proportional to 2,775.13 and 4,130.26 is: 6,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.13 : 4,130.26 = 4,130.26 : x
  2. Step 2: Convert to fraction form
    2,775.13/4,130.26 = 4,130.26/x
  3. Step 3: Cross multiply
    2,775.13x = 4,130.26 × 4,130.26
  4. Step 4: Simplify right side
    2,775.13x = 17,059,034.64
  5. Step 5: Solve for x
    x = 17,059,034.64/2,775.13
  6. Step 6: Final answer
    x = 6,147.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.