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Finding the Third Proportional to 103,668 and 158,778

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Solution

The third proportional to 103,668 and 158,778 is: 243,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668 : 158,778 = 158,778 : x
  2. Step 2: Convert to fraction form
    103,668/158,778 = 158,778/x
  3. Step 3: Cross multiply
    103,668x = 158,778 × 158,778
  4. Step 4: Simplify right side
    103,668x = 25,210,453,284
  5. Step 5: Solve for x
    x = 25,210,453,284/103,668
  6. Step 6: Final answer
    x = 243,184.52

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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.