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Finding the Third Proportional to 86,113.13 and 131,402.25

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Solution

The third proportional to 86,113.13 and 131,402.25 is: 200,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.13 : 131,402.25 = 131,402.25 : x
  2. Step 2: Convert to fraction form
    86,113.13/131,402.25 = 131,402.25/x
  3. Step 3: Cross multiply
    86,113.13x = 131,402.25 × 131,402.25
  4. Step 4: Simplify right side
    86,113.13x = 17,266,551,305.06
  5. Step 5: Solve for x
    x = 17,266,551,305.06/86,113.13
  6. Step 6: Final answer
    x = 200,510.10

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.