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Finding the Third Proportional to 239,860 and 528,014

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Solution

The third proportional to 239,860 and 528,014 is: 1,162,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,860 : 528,014 = 528,014 : x
  2. Step 2: Convert to fraction form
    239,860/528,014 = 528,014/x
  3. Step 3: Cross multiply
    239,860x = 528,014 × 528,014
  4. Step 4: Simplify right side
    239,860x = 278,798,784,196
  5. Step 5: Solve for x
    x = 278,798,784,196/239,860
  6. Step 6: Final answer
    x = 1,162,339.63

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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.