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Finding the Third Proportional to 4,480.31 and 5,113.13

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Solution

The third proportional to 4,480.31 and 5,113.13 is: 5,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.31 : 5,113.13 = 5,113.13 : x
  2. Step 2: Convert to fraction form
    4,480.31/5,113.13 = 5,113.13/x
  3. Step 3: Cross multiply
    4,480.31x = 5,113.13 × 5,113.13
  4. Step 4: Simplify right side
    4,480.31x = 26,144,047.27
  5. Step 5: Solve for x
    x = 26,144,047.27/4,480.31
  6. Step 6: Final answer
    x = 5,835.32

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.