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Finding the Third Proportional to 68,959 and 105,444.25

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Solution

The third proportional to 68,959 and 105,444.25 is: 161,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959 : 105,444.25 = 105,444.25 : x
  2. Step 2: Convert to fraction form
    68,959/105,444.25 = 105,444.25/x
  3. Step 3: Cross multiply
    68,959x = 105,444.25 × 105,444.25
  4. Step 4: Simplify right side
    68,959x = 11,118,489,858.06
  5. Step 5: Solve for x
    x = 11,118,489,858.06/68,959
  6. Step 6: Final answer
    x = 161,233.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.