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Finding the Third Proportional to 158,948 and 222,778

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Solution

The third proportional to 158,948 and 222,778 is: 312,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,948 : 222,778 = 222,778 : x
  2. Step 2: Convert to fraction form
    158,948/222,778 = 222,778/x
  3. Step 3: Cross multiply
    158,948x = 222,778 × 222,778
  4. Step 4: Simplify right side
    158,948x = 49,630,037,284
  5. Step 5: Solve for x
    x = 49,630,037,284/158,948
  6. Step 6: Final answer
    x = 312,240.72

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.