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Finding the Third Proportional to 8,460 and 10,944

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Solution

The third proportional to 8,460 and 10,944 is: 14,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460 : 10,944 = 10,944 : x
  2. Step 2: Convert to fraction form
    8,460/10,944 = 10,944/x
  3. Step 3: Cross multiply
    8,460x = 10,944 × 10,944
  4. Step 4: Simplify right side
    8,460x = 119,771,136
  5. Step 5: Solve for x
    x = 119,771,136/8,460
  6. Step 6: Final answer
    x = 14,157.34

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.