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Finding the Third Proportional to 35,521 and 53,039

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Solution

The third proportional to 35,521 and 53,039 is: 79,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521 : 53,039 = 53,039 : x
  2. Step 2: Convert to fraction form
    35,521/53,039 = 53,039/x
  3. Step 3: Cross multiply
    35,521x = 53,039 × 53,039
  4. Step 4: Simplify right side
    35,521x = 2,813,135,521
  5. Step 5: Solve for x
    x = 2,813,135,521/35,521
  6. Step 6: Final answer
    x = 79,196.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.