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Finding the Third Proportional to 477,453.75 and 648,822

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Solution

The third proportional to 477,453.75 and 648,822 is: 881,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,453.75 : 648,822 = 648,822 : x
  2. Step 2: Convert to fraction form
    477,453.75/648,822 = 648,822/x
  3. Step 3: Cross multiply
    477,453.75x = 648,822 × 648,822
  4. Step 4: Simplify right side
    477,453.75x = 420,969,987,684
  5. Step 5: Solve for x
    x = 420,969,987,684/477,453.75
  6. Step 6: Final answer
    x = 881,697.94

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.