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Finding the Third Proportional to 240,558 and 522,120

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Solution

The third proportional to 240,558 and 522,120 is: 1,133,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,558 : 522,120 = 522,120 : x
  2. Step 2: Convert to fraction form
    240,558/522,120 = 522,120/x
  3. Step 3: Cross multiply
    240,558x = 522,120 × 522,120
  4. Step 4: Simplify right side
    240,558x = 272,609,294,400
  5. Step 5: Solve for x
    x = 272,609,294,400/240,558
  6. Step 6: Final answer
    x = 1,133,237.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.