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Finding the Third Proportional to 559,679 and 887,561

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Solution

The third proportional to 559,679 and 887,561 is: 1,407,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,679 : 887,561 = 887,561 : x
  2. Step 2: Convert to fraction form
    559,679/887,561 = 887,561/x
  3. Step 3: Cross multiply
    559,679x = 887,561 × 887,561
  4. Step 4: Simplify right side
    559,679x = 787,764,528,721
  5. Step 5: Solve for x
    x = 787,764,528,721/559,679
  6. Step 6: Final answer
    x = 1,407,529.19

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.