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Finding the Third Proportional to 412,551 and 656,449.50

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Solution

The third proportional to 412,551 and 656,449.50 is: 1,044,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,551 : 656,449.50 = 656,449.50 : x
  2. Step 2: Convert to fraction form
    412,551/656,449.50 = 656,449.50/x
  3. Step 3: Cross multiply
    412,551x = 656,449.50 × 656,449.50
  4. Step 4: Simplify right side
    412,551x = 430,925,946,050.25
  5. Step 5: Solve for x
    x = 430,925,946,050.25/412,551
  6. Step 6: Final answer
    x = 1,044,539.82

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.