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Finding the Third Proportional to 558,921 and 1,206,372

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Solution

The third proportional to 558,921 and 1,206,372 is: 2,603,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,921 : 1,206,372 = 1,206,372 : x
  2. Step 2: Convert to fraction form
    558,921/1,206,372 = 1,206,372/x
  3. Step 3: Cross multiply
    558,921x = 1,206,372 × 1,206,372
  4. Step 4: Simplify right side
    558,921x = 1,455,333,402,384
  5. Step 5: Solve for x
    x = 1,455,333,402,384/558,921
  6. Step 6: Final answer
    x = 2,603,826.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.