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Finding the Third Proportional to 5,113.13 and 12,355.03

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Solution

The third proportional to 5,113.13 and 12,355.03 is: 29,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.13 : 12,355.03 = 12,355.03 : x
  2. Step 2: Convert to fraction form
    5,113.13/12,355.03 = 12,355.03/x
  3. Step 3: Cross multiply
    5,113.13x = 12,355.03 × 12,355.03
  4. Step 4: Simplify right side
    5,113.13x = 152,646,797.19
  5. Step 5: Solve for x
    x = 152,646,797.19/5,113.13
  6. Step 6: Final answer
    x = 29,853.91

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.