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Finding the Third Proportional to 699.19 and 1,495.69

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Solution

The third proportional to 699.19 and 1,495.69 is: 3,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.19 : 1,495.69 = 1,495.69 : x
  2. Step 2: Convert to fraction form
    699.19/1,495.69 = 1,495.69/x
  3. Step 3: Cross multiply
    699.19x = 1,495.69 × 1,495.69
  4. Step 4: Simplify right side
    699.19x = 2,237,081.10
  5. Step 5: Solve for x
    x = 2,237,081.10/699.19
  6. Step 6: Final answer
    x = 3,199.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.