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Finding the Third Proportional to 6,981 and 15,113

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Solution

The third proportional to 6,981 and 15,113 is: 32,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981 : 15,113 = 15,113 : x
  2. Step 2: Convert to fraction form
    6,981/15,113 = 15,113/x
  3. Step 3: Cross multiply
    6,981x = 15,113 × 15,113
  4. Step 4: Simplify right side
    6,981x = 228,402,769
  5. Step 5: Solve for x
    x = 228,402,769/6,981
  6. Step 6: Final answer
    x = 32,717.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.