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Finding the Third Proportional to 1,538.16 and 3,333.66

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Solution

The third proportional to 1,538.16 and 3,333.66 is: 7,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.16 : 3,333.66 = 3,333.66 : x
  2. Step 2: Convert to fraction form
    1,538.16/3,333.66 = 3,333.66/x
  3. Step 3: Cross multiply
    1,538.16x = 3,333.66 × 3,333.66
  4. Step 4: Simplify right side
    1,538.16x = 11,113,263.99
  5. Step 5: Solve for x
    x = 11,113,263.99/1,538.16
  6. Step 6: Final answer
    x = 7,225.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.