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Finding the Third Proportional to 500,722 and 1,113,392

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Solution

The third proportional to 500,722 and 1,113,392 is: 2,475,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,722 : 1,113,392 = 1,113,392 : x
  2. Step 2: Convert to fraction form
    500,722/1,113,392 = 1,113,392/x
  3. Step 3: Cross multiply
    500,722x = 1,113,392 × 1,113,392
  4. Step 4: Simplify right side
    500,722x = 1,239,641,745,664
  5. Step 5: Solve for x
    x = 1,239,641,745,664/500,722
  6. Step 6: Final answer
    x = 2,475,708.57

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.