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Finding the Third Proportional to 1,455 and 3,358.50

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Solution

The third proportional to 1,455 and 3,358.50 is: 7,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455 : 3,358.50 = 3,358.50 : x
  2. Step 2: Convert to fraction form
    1,455/3,358.50 = 3,358.50/x
  3. Step 3: Cross multiply
    1,455x = 3,358.50 × 3,358.50
  4. Step 4: Simplify right side
    1,455x = 11,279,522.25
  5. Step 5: Solve for x
    x = 11,279,522.25/1,455
  6. Step 6: Final answer
    x = 7,752.25

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.