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Finding the Third Proportional to 19,320 and 29,895

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Solution

The third proportional to 19,320 and 29,895 is: 46,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320 : 29,895 = 29,895 : x
  2. Step 2: Convert to fraction form
    19,320/29,895 = 29,895/x
  3. Step 3: Cross multiply
    19,320x = 29,895 × 29,895
  4. Step 4: Simplify right side
    19,320x = 893,711,025
  5. Step 5: Solve for x
    x = 893,711,025/19,320
  6. Step 6: Final answer
    x = 46,258.33

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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.