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Finding the Third Proportional to 216,640 and 467,533

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Solution

The third proportional to 216,640 and 467,533 is: 1,008,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,640 : 467,533 = 467,533 : x
  2. Step 2: Convert to fraction form
    216,640/467,533 = 467,533/x
  3. Step 3: Cross multiply
    216,640x = 467,533 × 467,533
  4. Step 4: Simplify right side
    216,640x = 218,587,106,089
  5. Step 5: Solve for x
    x = 218,587,106,089/216,640
  6. Step 6: Final answer
    x = 1,008,987.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.