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Finding the Third Proportional to 86,513 and 187,714

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Solution

The third proportional to 86,513 and 187,714 is: 407,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,513 : 187,714 = 187,714 : x
  2. Step 2: Convert to fraction form
    86,513/187,714 = 187,714/x
  3. Step 3: Cross multiply
    86,513x = 187,714 × 187,714
  4. Step 4: Simplify right side
    86,513x = 35,236,545,796
  5. Step 5: Solve for x
    x = 35,236,545,796/86,513
  6. Step 6: Final answer
    x = 407,297.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.