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Finding the Third Proportional to 106,290 and 233,315

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Solution

The third proportional to 106,290 and 233,315 is: 512,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290 : 233,315 = 233,315 : x
  2. Step 2: Convert to fraction form
    106,290/233,315 = 233,315/x
  3. Step 3: Cross multiply
    106,290x = 233,315 × 233,315
  4. Step 4: Simplify right side
    106,290x = 54,435,889,225
  5. Step 5: Solve for x
    x = 54,435,889,225/106,290
  6. Step 6: Final answer
    x = 512,144.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.