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Finding the Third Proportional to 19,888.50 and 29,466

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Solution

The third proportional to 19,888.50 and 29,466 is: 43,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.50 : 29,466 = 29,466 : x
  2. Step 2: Convert to fraction form
    19,888.50/29,466 = 29,466/x
  3. Step 3: Cross multiply
    19,888.50x = 29,466 × 29,466
  4. Step 4: Simplify right side
    19,888.50x = 868,245,156
  5. Step 5: Solve for x
    x = 868,245,156/19,888.50
  6. Step 6: Final answer
    x = 43,655.64

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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.