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Finding the Third Proportional to 19,364 and 29,778

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Solution

The third proportional to 19,364 and 29,778 is: 45,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364 : 29,778 = 29,778 : x
  2. Step 2: Convert to fraction form
    19,364/29,778 = 29,778/x
  3. Step 3: Cross multiply
    19,364x = 29,778 × 29,778
  4. Step 4: Simplify right side
    19,364x = 886,729,284
  5. Step 5: Solve for x
    x = 886,729,284/19,364
  6. Step 6: Final answer
    x = 45,792.67

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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.