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Finding the Third Proportional to 2,872.50 and 6,203.50

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Solution

The third proportional to 2,872.50 and 6,203.50 is: 13,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.50 : 6,203.50 = 6,203.50 : x
  2. Step 2: Convert to fraction form
    2,872.50/6,203.50 = 6,203.50/x
  3. Step 3: Cross multiply
    2,872.50x = 6,203.50 × 6,203.50
  4. Step 4: Simplify right side
    2,872.50x = 38,483,412.25
  5. Step 5: Solve for x
    x = 38,483,412.25/2,872.50
  6. Step 6: Final answer
    x = 13,397.18

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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.