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Finding the Third Proportional to 669,768.75 and 960,913.13

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Solution

The third proportional to 669,768.75 and 960,913.13 is: 1,378,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,768.75 : 960,913.13 = 960,913.13 : x
  2. Step 2: Convert to fraction form
    669,768.75/960,913.13 = 960,913.13/x
  3. Step 3: Cross multiply
    669,768.75x = 960,913.13 × 960,913.13
  4. Step 4: Simplify right side
    669,768.75x = 923,354,033,797.27
  5. Step 5: Solve for x
    x = 923,354,033,797.27/669,768.75
  6. Step 6: Final answer
    x = 1,378,616.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.