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Finding the Third Proportional to 547,976 and 859,829

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Solution

The third proportional to 547,976 and 859,829 is: 1,349,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,976 : 859,829 = 859,829 : x
  2. Step 2: Convert to fraction form
    547,976/859,829 = 859,829/x
  3. Step 3: Cross multiply
    547,976x = 859,829 × 859,829
  4. Step 4: Simplify right side
    547,976x = 739,305,909,241
  5. Step 5: Solve for x
    x = 739,305,909,241/547,976
  6. Step 6: Final answer
    x = 1,349,157.46

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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.