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Finding the Third Proportional to 60,318 and 85,351.50

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Solution

The third proportional to 60,318 and 85,351.50 is: 120,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318 : 85,351.50 = 85,351.50 : x
  2. Step 2: Convert to fraction form
    60,318/85,351.50 = 85,351.50/x
  3. Step 3: Cross multiply
    60,318x = 85,351.50 × 85,351.50
  4. Step 4: Simplify right side
    60,318x = 7,284,878,552.25
  5. Step 5: Solve for x
    x = 7,284,878,552.25/60,318
  6. Step 6: Final answer
    x = 120,774.54

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.