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Finding the Third Proportional to 19,216 and 29,818

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Solution

The third proportional to 19,216 and 29,818 is: 46,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216 : 29,818 = 29,818 : x
  2. Step 2: Convert to fraction form
    19,216/29,818 = 29,818/x
  3. Step 3: Cross multiply
    19,216x = 29,818 × 29,818
  4. Step 4: Simplify right side
    19,216x = 889,113,124
  5. Step 5: Solve for x
    x = 889,113,124/19,216
  6. Step 6: Final answer
    x = 46,269.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.