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Finding the Third Proportional to 274,063.50 and 402,787.69

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Solution

The third proportional to 274,063.50 and 402,787.69 is: 591,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,063.50 : 402,787.69 = 402,787.69 : x
  2. Step 2: Convert to fraction form
    274,063.50/402,787.69 = 402,787.69/x
  3. Step 3: Cross multiply
    274,063.50x = 402,787.69 × 402,787.69
  4. Step 4: Simplify right side
    274,063.50x = 162,237,921,201.60
  5. Step 5: Solve for x
    x = 162,237,921,201.60/274,063.50
  6. Step 6: Final answer
    x = 591,972.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.