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Finding the Third Proportional to 669,441 and 936,337.50

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Solution

The third proportional to 669,441 and 936,337.50 is: 1,309,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,441 : 936,337.50 = 936,337.50 : x
  2. Step 2: Convert to fraction form
    669,441/936,337.50 = 936,337.50/x
  3. Step 3: Cross multiply
    669,441x = 936,337.50 × 936,337.50
  4. Step 4: Simplify right side
    669,441x = 876,727,913,906.25
  5. Step 5: Solve for x
    x = 876,727,913,906.25/669,441
  6. Step 6: Final answer
    x = 1,309,641.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.