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Finding the Third Proportional to 718,134 and 1,113,493

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Solution

The third proportional to 718,134 and 1,113,493 is: 1,726,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,134 : 1,113,493 = 1,113,493 : x
  2. Step 2: Convert to fraction form
    718,134/1,113,493 = 1,113,493/x
  3. Step 3: Cross multiply
    718,134x = 1,113,493 × 1,113,493
  4. Step 4: Simplify right side
    718,134x = 1,239,866,661,049
  5. Step 5: Solve for x
    x = 1,239,866,661,049/718,134
  6. Step 6: Final answer
    x = 1,726,511.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.