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Finding the Third Proportional to 65,609 and 157,091

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Solution

The third proportional to 65,609 and 157,091 is: 376,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609 : 157,091 = 157,091 : x
  2. Step 2: Convert to fraction form
    65,609/157,091 = 157,091/x
  3. Step 3: Cross multiply
    65,609x = 157,091 × 157,091
  4. Step 4: Simplify right side
    65,609x = 24,677,582,281
  5. Step 5: Solve for x
    x = 24,677,582,281/65,609
  6. Step 6: Final answer
    x = 376,131.05

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.