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Finding the Third Proportional to 5,445 and 5,931

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Solution

The third proportional to 5,445 and 5,931 is: 6,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445 : 5,931 = 5,931 : x
  2. Step 2: Convert to fraction form
    5,445/5,931 = 5,931/x
  3. Step 3: Cross multiply
    5,445x = 5,931 × 5,931
  4. Step 4: Simplify right side
    5,445x = 35,176,761
  5. Step 5: Solve for x
    x = 35,176,761/5,445
  6. Step 6: Final answer
    x = 6,460.38

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.