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Finding the Third Proportional to 476,844 and 720,126

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Solution

The third proportional to 476,844 and 720,126 is: 1,087,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,844 : 720,126 = 720,126 : x
  2. Step 2: Convert to fraction form
    476,844/720,126 = 720,126/x
  3. Step 3: Cross multiply
    476,844x = 720,126 × 720,126
  4. Step 4: Simplify right side
    476,844x = 518,581,455,876
  5. Step 5: Solve for x
    x = 518,581,455,876/476,844
  6. Step 6: Final answer
    x = 1,087,528.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.