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Finding the Third Proportional to 158,985 and 336,924

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Solution

The third proportional to 158,985 and 336,924 is: 714,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,985 : 336,924 = 336,924 : x
  2. Step 2: Convert to fraction form
    158,985/336,924 = 336,924/x
  3. Step 3: Cross multiply
    158,985x = 336,924 × 336,924
  4. Step 4: Simplify right side
    158,985x = 113,517,781,776
  5. Step 5: Solve for x
    x = 113,517,781,776/158,985
  6. Step 6: Final answer
    x = 714,015.67

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.