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Finding the Third Proportional to 220,256 and 350,076

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Solution

The third proportional to 220,256 and 350,076 is: 556,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,256 : 350,076 = 350,076 : x
  2. Step 2: Convert to fraction form
    220,256/350,076 = 350,076/x
  3. Step 3: Cross multiply
    220,256x = 350,076 × 350,076
  4. Step 4: Simplify right side
    220,256x = 122,553,205,776
  5. Step 5: Solve for x
    x = 122,553,205,776/220,256
  6. Step 6: Final answer
    x = 556,412.56

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.