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Finding the Third Proportional to 220,304 and 350,140

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Solution

The third proportional to 220,304 and 350,140 is: 556,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,304 : 350,140 = 350,140 : x
  2. Step 2: Convert to fraction form
    220,304/350,140 = 350,140/x
  3. Step 3: Cross multiply
    220,304x = 350,140 × 350,140
  4. Step 4: Simplify right side
    220,304x = 122,598,019,600
  5. Step 5: Solve for x
    x = 122,598,019,600/220,304
  6. Step 6: Final answer
    x = 556,494.75

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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.