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Finding the Third Proportional to 61,339.50 and 92,313.75

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Solution

The third proportional to 61,339.50 and 92,313.75 is: 138,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,339.50 : 92,313.75 = 92,313.75 : x
  2. Step 2: Convert to fraction form
    61,339.50/92,313.75 = 92,313.75/x
  3. Step 3: Cross multiply
    61,339.50x = 92,313.75 × 92,313.75
  4. Step 4: Simplify right side
    61,339.50x = 8,521,828,439.06
  5. Step 5: Solve for x
    x = 8,521,828,439.06/61,339.50
  6. Step 6: Final answer
    x = 138,928.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.