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Finding the Third Proportional to 40,955.50 and 61,809

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Solution

The third proportional to 40,955.50 and 61,809 is: 93,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.50 : 61,809 = 61,809 : x
  2. Step 2: Convert to fraction form
    40,955.50/61,809 = 61,809/x
  3. Step 3: Cross multiply
    40,955.50x = 61,809 × 61,809
  4. Step 4: Simplify right side
    40,955.50x = 3,820,352,481
  5. Step 5: Solve for x
    x = 3,820,352,481/40,955.50
  6. Step 6: Final answer
    x = 93,280.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.