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Finding the Third Proportional to 220,248 and 486,009

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Solution

The third proportional to 220,248 and 486,009 is: 1,072,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,248 : 486,009 = 486,009 : x
  2. Step 2: Convert to fraction form
    220,248/486,009 = 486,009/x
  3. Step 3: Cross multiply
    220,248x = 486,009 × 486,009
  4. Step 4: Simplify right side
    220,248x = 236,204,748,081
  5. Step 5: Solve for x
    x = 236,204,748,081/220,248
  6. Step 6: Final answer
    x = 1,072,449.00

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.