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Finding the Third Proportional to 196,092 and 310,680

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Solution

The third proportional to 196,092 and 310,680 is: 492,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,092 : 310,680 = 310,680 : x
  2. Step 2: Convert to fraction form
    196,092/310,680 = 310,680/x
  3. Step 3: Cross multiply
    196,092x = 310,680 × 310,680
  4. Step 4: Simplify right side
    196,092x = 96,522,062,400
  5. Step 5: Solve for x
    x = 96,522,062,400/196,092
  6. Step 6: Final answer
    x = 492,228.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.