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Finding the Third Proportional to 579,648 and 886,761

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Solution

The third proportional to 579,648 and 886,761 is: 1,356,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,648 : 886,761 = 886,761 : x
  2. Step 2: Convert to fraction form
    579,648/886,761 = 886,761/x
  3. Step 3: Cross multiply
    579,648x = 886,761 × 886,761
  4. Step 4: Simplify right side
    579,648x = 786,345,071,121
  5. Step 5: Solve for x
    x = 786,345,071,121/579,648
  6. Step 6: Final answer
    x = 1,356,590.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.