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Finding the Third Proportional to 481,724 and 677,776

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Solution

The third proportional to 481,724 and 677,776 is: 953,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,724 : 677,776 = 677,776 : x
  2. Step 2: Convert to fraction form
    481,724/677,776 = 677,776/x
  3. Step 3: Cross multiply
    481,724x = 677,776 × 677,776
  4. Step 4: Simplify right side
    481,724x = 459,380,306,176
  5. Step 5: Solve for x
    x = 459,380,306,176/481,724
  6. Step 6: Final answer
    x = 953,617.23

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.