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Finding the Third Proportional to 6,875 and 15,019

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Solution

The third proportional to 6,875 and 15,019 is: 32,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875 : 15,019 = 15,019 : x
  2. Step 2: Convert to fraction form
    6,875/15,019 = 15,019/x
  3. Step 3: Cross multiply
    6,875x = 15,019 × 15,019
  4. Step 4: Simplify right side
    6,875x = 225,570,361
  5. Step 5: Solve for x
    x = 225,570,361/6,875
  6. Step 6: Final answer
    x = 32,810.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.