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Finding the Third Proportional to 237,740 and 522,132

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Solution

The third proportional to 237,740 and 522,132 is: 1,146,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,740 : 522,132 = 522,132 : x
  2. Step 2: Convert to fraction form
    237,740/522,132 = 522,132/x
  3. Step 3: Cross multiply
    237,740x = 522,132 × 522,132
  4. Step 4: Simplify right side
    237,740x = 272,621,825,424
  5. Step 5: Solve for x
    x = 272,621,825,424/237,740
  6. Step 6: Final answer
    x = 1,146,722.58

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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.