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Finding the Third Proportional to 6,905 and 10,943

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Solution

The third proportional to 6,905 and 10,943 is: 17,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905 : 10,943 = 10,943 : x
  2. Step 2: Convert to fraction form
    6,905/10,943 = 10,943/x
  3. Step 3: Cross multiply
    6,905x = 10,943 × 10,943
  4. Step 4: Simplify right side
    6,905x = 119,749,249
  5. Step 5: Solve for x
    x = 119,749,249/6,905
  6. Step 6: Final answer
    x = 17,342.40

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.