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Finding the Third Proportional to 7,186 and 15,710

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Solution

The third proportional to 7,186 and 15,710 is: 34,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186 : 15,710 = 15,710 : x
  2. Step 2: Convert to fraction form
    7,186/15,710 = 15,710/x
  3. Step 3: Cross multiply
    7,186x = 15,710 × 15,710
  4. Step 4: Simplify right side
    7,186x = 246,804,100
  5. Step 5: Solve for x
    x = 246,804,100/7,186
  6. Step 6: Final answer
    x = 34,345.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.