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Finding the Third Proportional to 220,218.75 and 350,011.13

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Solution

The third proportional to 220,218.75 and 350,011.13 is: 556,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,218.75 : 350,011.13 = 350,011.13 : x
  2. Step 2: Convert to fraction form
    220,218.75/350,011.13 = 350,011.13/x
  3. Step 3: Cross multiply
    220,218.75x = 350,011.13 × 350,011.13
  4. Step 4: Simplify right side
    220,218.75x = 122,507,787,623.77
  5. Step 5: Solve for x
    x = 122,507,787,623.77/220,218.75
  6. Step 6: Final answer
    x = 556,300.44

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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.