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Finding the Third Proportional to 105,740 and 232,508

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Solution

The third proportional to 105,740 and 232,508 is: 511,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,740 : 232,508 = 232,508 : x
  2. Step 2: Convert to fraction form
    105,740/232,508 = 232,508/x
  3. Step 3: Cross multiply
    105,740x = 232,508 × 232,508
  4. Step 4: Simplify right side
    105,740x = 54,059,970,064
  5. Step 5: Solve for x
    x = 54,059,970,064/105,740
  6. Step 6: Final answer
    x = 511,253.74

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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.