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Finding the Third Proportional to 105,269 and 161,808

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Solution

The third proportional to 105,269 and 161,808 is: 248,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,269 : 161,808 = 161,808 : x
  2. Step 2: Convert to fraction form
    105,269/161,808 = 161,808/x
  3. Step 3: Cross multiply
    105,269x = 161,808 × 161,808
  4. Step 4: Simplify right side
    105,269x = 26,181,828,864
  5. Step 5: Solve for x
    x = 26,181,828,864/105,269
  6. Step 6: Final answer
    x = 248,713.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.