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Finding the Third Proportional to 7,135 and 15,178

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Solution

The third proportional to 7,135 and 15,178 is: 32,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135 : 15,178 = 15,178 : x
  2. Step 2: Convert to fraction form
    7,135/15,178 = 15,178/x
  3. Step 3: Cross multiply
    7,135x = 15,178 × 15,178
  4. Step 4: Simplify right side
    7,135x = 230,371,684
  5. Step 5: Solve for x
    x = 230,371,684/7,135
  6. Step 6: Final answer
    x = 32,287.55

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.