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Finding the Third Proportional to 61,326.75 and 89,970.75

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Solution

The third proportional to 61,326.75 and 89,970.75 is: 131,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.75 : 89,970.75 = 89,970.75 : x
  2. Step 2: Convert to fraction form
    61,326.75/89,970.75 = 89,970.75/x
  3. Step 3: Cross multiply
    61,326.75x = 89,970.75 × 89,970.75
  4. Step 4: Simplify right side
    61,326.75x = 8,094,735,855.56
  5. Step 5: Solve for x
    x = 8,094,735,855.56/61,326.75
  6. Step 6: Final answer
    x = 131,993.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.