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Finding the Third Proportional to 61,600.50 and 91,854

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Solution

The third proportional to 61,600.50 and 91,854 is: 136,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.50 : 91,854 = 91,854 : x
  2. Step 2: Convert to fraction form
    61,600.50/91,854 = 91,854/x
  3. Step 3: Cross multiply
    61,600.50x = 91,854 × 91,854
  4. Step 4: Simplify right side
    61,600.50x = 8,437,157,316
  5. Step 5: Solve for x
    x = 8,437,157,316/61,600.50
  6. Step 6: Final answer
    x = 136,965.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.