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Finding the Third Proportional to 15,912 and 19,248

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Solution

The third proportional to 15,912 and 19,248 is: 23,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912 : 19,248 = 19,248 : x
  2. Step 2: Convert to fraction form
    15,912/19,248 = 19,248/x
  3. Step 3: Cross multiply
    15,912x = 19,248 × 19,248
  4. Step 4: Simplify right side
    15,912x = 370,485,504
  5. Step 5: Solve for x
    x = 370,485,504/15,912
  6. Step 6: Final answer
    x = 23,283.40

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.