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Finding the Third Proportional to 576,659 and 887,556

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Solution

The third proportional to 576,659 and 887,556 is: 1,366,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,659 : 887,556 = 887,556 : x
  2. Step 2: Convert to fraction form
    576,659/887,556 = 887,556/x
  3. Step 3: Cross multiply
    576,659x = 887,556 × 887,556
  4. Step 4: Simplify right side
    576,659x = 787,755,653,136
  5. Step 5: Solve for x
    x = 787,755,653,136/576,659
  6. Step 6: Final answer
    x = 1,366,068.43

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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.