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Finding the Third Proportional to 120,699 and 182,602

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Solution

The third proportional to 120,699 and 182,602 is: 276,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,699 : 182,602 = 182,602 : x
  2. Step 2: Convert to fraction form
    120,699/182,602 = 182,602/x
  3. Step 3: Cross multiply
    120,699x = 182,602 × 182,602
  4. Step 4: Simplify right side
    120,699x = 33,343,490,404
  5. Step 5: Solve for x
    x = 33,343,490,404/120,699
  6. Step 6: Final answer
    x = 276,253.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.