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Finding the Third Proportional to 221,483 and 483,561

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Solution

The third proportional to 221,483 and 483,561 is: 1,055,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,483 : 483,561 = 483,561 : x
  2. Step 2: Convert to fraction form
    221,483/483,561 = 483,561/x
  3. Step 3: Cross multiply
    221,483x = 483,561 × 483,561
  4. Step 4: Simplify right side
    221,483x = 233,831,240,721
  5. Step 5: Solve for x
    x = 233,831,240,721/221,483
  6. Step 6: Final answer
    x = 1,055,752.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.