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Finding the Third Proportional to 7,407 and 15,732

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Solution

The third proportional to 7,407 and 15,732 is: 33,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407 : 15,732 = 15,732 : x
  2. Step 2: Convert to fraction form
    7,407/15,732 = 15,732/x
  3. Step 3: Cross multiply
    7,407x = 15,732 × 15,732
  4. Step 4: Simplify right side
    7,407x = 247,495,824
  5. Step 5: Solve for x
    x = 247,495,824/7,407
  6. Step 6: Final answer
    x = 33,413.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.