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Finding the Third Proportional to 30,837.38 and 63,861.75

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Solution

The third proportional to 30,837.38 and 63,861.75 is: 132,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.38 : 63,861.75 = 63,861.75 : x
  2. Step 2: Convert to fraction form
    30,837.38/63,861.75 = 63,861.75/x
  3. Step 3: Cross multiply
    30,837.38x = 63,861.75 × 63,861.75
  4. Step 4: Simplify right side
    30,837.38x = 4,078,323,113.06
  5. Step 5: Solve for x
    x = 4,078,323,113.06/30,837.38
  6. Step 6: Final answer
    x = 132,252.60

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.