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Finding the Third Proportional to 119,215 and 180,038

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Solution

The third proportional to 119,215 and 180,038 is: 271,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,215 : 180,038 = 180,038 : x
  2. Step 2: Convert to fraction form
    119,215/180,038 = 180,038/x
  3. Step 3: Cross multiply
    119,215x = 180,038 × 180,038
  4. Step 4: Simplify right side
    119,215x = 32,413,681,444
  5. Step 5: Solve for x
    x = 32,413,681,444/119,215
  6. Step 6: Final answer
    x = 271,892.64

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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.