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Finding the Third Proportional to 56,332 and 81,852

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Solution

The third proportional to 56,332 and 81,852 is: 118,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332 : 81,852 = 81,852 : x
  2. Step 2: Convert to fraction form
    56,332/81,852 = 81,852/x
  3. Step 3: Cross multiply
    56,332x = 81,852 × 81,852
  4. Step 4: Simplify right side
    56,332x = 6,699,749,904
  5. Step 5: Solve for x
    x = 6,699,749,904/56,332
  6. Step 6: Final answer
    x = 118,933.29

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.