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Finding the Third Proportional to 84,468 and 133,740

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Solution

The third proportional to 84,468 and 133,740 is: 211,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,468 : 133,740 = 133,740 : x
  2. Step 2: Convert to fraction form
    84,468/133,740 = 133,740/x
  3. Step 3: Cross multiply
    84,468x = 133,740 × 133,740
  4. Step 4: Simplify right side
    84,468x = 17,886,387,600
  5. Step 5: Solve for x
    x = 17,886,387,600/84,468
  6. Step 6: Final answer
    x = 211,753.42

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.