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Finding the Third Proportional to 60,218.50 and 91,899

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Solution

The third proportional to 60,218.50 and 91,899 is: 140,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,218.50 : 91,899 = 91,899 : x
  2. Step 2: Convert to fraction form
    60,218.50/91,899 = 91,899/x
  3. Step 3: Cross multiply
    60,218.50x = 91,899 × 91,899
  4. Step 4: Simplify right side
    60,218.50x = 8,445,426,201
  5. Step 5: Solve for x
    x = 8,445,426,201/60,218.50
  6. Step 6: Final answer
    x = 140,246.37

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.