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Finding the Third Proportional to 19,693 and 29,904

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Solution

The third proportional to 19,693 and 29,904 is: 45,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693 : 29,904 = 29,904 : x
  2. Step 2: Convert to fraction form
    19,693/29,904 = 29,904/x
  3. Step 3: Cross multiply
    19,693x = 29,904 × 29,904
  4. Step 4: Simplify right side
    19,693x = 894,249,216
  5. Step 5: Solve for x
    x = 894,249,216/19,693
  6. Step 6: Final answer
    x = 45,409.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.