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Finding the Third Proportional to 131,092 and 197,712

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Solution

The third proportional to 131,092 and 197,712 is: 298,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092 : 197,712 = 197,712 : x
  2. Step 2: Convert to fraction form
    131,092/197,712 = 197,712/x
  3. Step 3: Cross multiply
    131,092x = 197,712 × 197,712
  4. Step 4: Simplify right side
    131,092x = 39,090,034,944
  5. Step 5: Solve for x
    x = 39,090,034,944/131,092
  6. Step 6: Final answer
    x = 298,187.80

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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.