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Finding the Third Proportional to 129,372 and 196,246

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Solution

The third proportional to 129,372 and 196,246 is: 297,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,372 : 196,246 = 196,246 : x
  2. Step 2: Convert to fraction form
    129,372/196,246 = 196,246/x
  3. Step 3: Cross multiply
    129,372x = 196,246 × 196,246
  4. Step 4: Simplify right side
    129,372x = 38,512,492,516
  5. Step 5: Solve for x
    x = 38,512,492,516/129,372
  6. Step 6: Final answer
    x = 297,688.00

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.