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Finding the Third Proportional to 499,716.75 and 767,626.50

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Solution

The third proportional to 499,716.75 and 767,626.50 is: 1,179,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,716.75 : 767,626.50 = 767,626.50 : x
  2. Step 2: Convert to fraction form
    499,716.75/767,626.50 = 767,626.50/x
  3. Step 3: Cross multiply
    499,716.75x = 767,626.50 × 767,626.50
  4. Step 4: Simplify right side
    499,716.75x = 589,250,443,502.25
  5. Step 5: Solve for x
    x = 589,250,443,502.25/499,716.75
  6. Step 6: Final answer
    x = 1,179,168.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.