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Finding the Third Proportional to 480,422 and 695,811

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Solution

The third proportional to 480,422 and 695,811 is: 1,007,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,422 : 695,811 = 695,811 : x
  2. Step 2: Convert to fraction form
    480,422/695,811 = 695,811/x
  3. Step 3: Cross multiply
    480,422x = 695,811 × 695,811
  4. Step 4: Simplify right side
    480,422x = 484,152,947,721
  5. Step 5: Solve for x
    x = 484,152,947,721/480,422
  6. Step 6: Final answer
    x = 1,007,765.98

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.