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Finding the Third Proportional to 3,485 and 7,358

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Solution

The third proportional to 3,485 and 7,358 is: 15,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485 : 7,358 = 7,358 : x
  2. Step 2: Convert to fraction form
    3,485/7,358 = 7,358/x
  3. Step 3: Cross multiply
    3,485x = 7,358 × 7,358
  4. Step 4: Simplify right side
    3,485x = 54,140,164
  5. Step 5: Solve for x
    x = 54,140,164/3,485
  6. Step 6: Final answer
    x = 15,535.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.