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Finding the Third Proportional to 20,258 and 29,703

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Solution

The third proportional to 20,258 and 29,703 is: 43,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258 : 29,703 = 29,703 : x
  2. Step 2: Convert to fraction form
    20,258/29,703 = 29,703/x
  3. Step 3: Cross multiply
    20,258x = 29,703 × 29,703
  4. Step 4: Simplify right side
    20,258x = 882,268,209
  5. Step 5: Solve for x
    x = 882,268,209/20,258
  6. Step 6: Final answer
    x = 43,551.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.