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Finding the Third Proportional to 30,182 and 40,553

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Solution

The third proportional to 30,182 and 40,553 is: 54,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182 : 40,553 = 40,553 : x
  2. Step 2: Convert to fraction form
    30,182/40,553 = 40,553/x
  3. Step 3: Cross multiply
    30,182x = 40,553 × 40,553
  4. Step 4: Simplify right side
    30,182x = 1,644,545,809
  5. Step 5: Solve for x
    x = 1,644,545,809/30,182
  6. Step 6: Final answer
    x = 54,487.64

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.