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Finding the Third Proportional to 827,888 and 1,214,578

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Solution

The third proportional to 827,888 and 1,214,578 is: 1,781,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,888 : 1,214,578 = 1,214,578 : x
  2. Step 2: Convert to fraction form
    827,888/1,214,578 = 1,214,578/x
  3. Step 3: Cross multiply
    827,888x = 1,214,578 × 1,214,578
  4. Step 4: Simplify right side
    827,888x = 1,475,199,718,084
  5. Step 5: Solve for x
    x = 1,475,199,718,084/827,888
  6. Step 6: Final answer
    x = 1,781,883.20

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.