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Finding the Third Proportional to 32,490 and 51,692

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Solution

The third proportional to 32,490 and 51,692 is: 82,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490 : 51,692 = 51,692 : x
  2. Step 2: Convert to fraction form
    32,490/51,692 = 51,692/x
  3. Step 3: Cross multiply
    32,490x = 51,692 × 51,692
  4. Step 4: Simplify right side
    32,490x = 2,672,062,864
  5. Step 5: Solve for x
    x = 2,672,062,864/32,490
  6. Step 6: Final answer
    x = 82,242.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.