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Finding the Third Proportional to 162,537.38 and 215,670

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Solution

The third proportional to 162,537.38 and 215,670 is: 286,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,537.38 : 215,670 = 215,670 : x
  2. Step 2: Convert to fraction form
    162,537.38/215,670 = 215,670/x
  3. Step 3: Cross multiply
    162,537.38x = 215,670 × 215,670
  4. Step 4: Simplify right side
    162,537.38x = 46,513,548,900
  5. Step 5: Solve for x
    x = 46,513,548,900/162,537.38
  6. Step 6: Final answer
    x = 286,171.40

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.