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Finding the Third Proportional to 19,784 and 29,356

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Solution

The third proportional to 19,784 and 29,356 is: 43,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784 : 29,356 = 29,356 : x
  2. Step 2: Convert to fraction form
    19,784/29,356 = 29,356/x
  3. Step 3: Cross multiply
    19,784x = 29,356 × 29,356
  4. Step 4: Simplify right side
    19,784x = 861,774,736
  5. Step 5: Solve for x
    x = 861,774,736/19,784
  6. Step 6: Final answer
    x = 43,559.18

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.