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Finding the Third Proportional to 131,014 and 207,789

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Solution

The third proportional to 131,014 and 207,789 is: 329,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014 : 207,789 = 207,789 : x
  2. Step 2: Convert to fraction form
    131,014/207,789 = 207,789/x
  3. Step 3: Cross multiply
    131,014x = 207,789 × 207,789
  4. Step 4: Simplify right side
    131,014x = 43,176,268,521
  5. Step 5: Solve for x
    x = 43,176,268,521/131,014
  6. Step 6: Final answer
    x = 329,554.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.