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Finding the Third Proportional to 1,459.16 and 2,231.51

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Solution

The third proportional to 1,459.16 and 2,231.51 is: 3,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.16 : 2,231.51 = 2,231.51 : x
  2. Step 2: Convert to fraction form
    1,459.16/2,231.51 = 2,231.51/x
  3. Step 3: Cross multiply
    1,459.16x = 2,231.51 × 2,231.51
  4. Step 4: Simplify right side
    1,459.16x = 4,979,627.12
  5. Step 5: Solve for x
    x = 4,979,627.12/1,459.16
  6. Step 6: Final answer
    x = 3,412.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.