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Finding the Third Proportional to 790,876 and 1,225,636

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Solution

The third proportional to 790,876 and 1,225,636 is: 1,899,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,876 : 1,225,636 = 1,225,636 : x
  2. Step 2: Convert to fraction form
    790,876/1,225,636 = 1,225,636/x
  3. Step 3: Cross multiply
    790,876x = 1,225,636 × 1,225,636
  4. Step 4: Simplify right side
    790,876x = 1,502,183,604,496
  5. Step 5: Solve for x
    x = 1,502,183,604,496/790,876
  6. Step 6: Final answer
    x = 1,899,392.07

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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.