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Finding the Third Proportional to 525,671 and 823,539

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Solution

The third proportional to 525,671 and 823,539 is: 1,290,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,671 : 823,539 = 823,539 : x
  2. Step 2: Convert to fraction form
    525,671/823,539 = 823,539/x
  3. Step 3: Cross multiply
    525,671x = 823,539 × 823,539
  4. Step 4: Simplify right side
    525,671x = 678,216,484,521
  5. Step 5: Solve for x
    x = 678,216,484,521/525,671
  6. Step 6: Final answer
    x = 1,290,191.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.