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Finding the Third Proportional to 790,888 and 1,637,880

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Solution

The third proportional to 790,888 and 1,637,880 is: 3,391,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,888 : 1,637,880 = 1,637,880 : x
  2. Step 2: Convert to fraction form
    790,888/1,637,880 = 1,637,880/x
  3. Step 3: Cross multiply
    790,888x = 1,637,880 × 1,637,880
  4. Step 4: Simplify right side
    790,888x = 2,682,650,894,400
  5. Step 5: Solve for x
    x = 2,682,650,894,400/790,888
  6. Step 6: Final answer
    x = 3,391,947.90

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.