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Finding the Third Proportional to 542,872.50 and 1,072,119.50

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Solution

The third proportional to 542,872.50 and 1,072,119.50 is: 2,117,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,872.50 : 1,072,119.50 = 1,072,119.50 : x
  2. Step 2: Convert to fraction form
    542,872.50/1,072,119.50 = 1,072,119.50/x
  3. Step 3: Cross multiply
    542,872.50x = 1,072,119.50 × 1,072,119.50
  4. Step 4: Simplify right side
    542,872.50x = 1,149,440,222,280.25
  5. Step 5: Solve for x
    x = 1,149,440,222,280.25/542,872.50
  6. Step 6: Final answer
    x = 2,117,329.98

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.