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Finding the Third Proportional to 153,619.66 and 335,379.87

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Solution

The third proportional to 153,619.66 and 335,379.87 is: 732,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,619.66 : 335,379.87 = 335,379.87 : x
  2. Step 2: Convert to fraction form
    153,619.66/335,379.87 = 335,379.87/x
  3. Step 3: Cross multiply
    153,619.66x = 335,379.87 × 335,379.87
  4. Step 4: Simplify right side
    153,619.66x = 112,479,655,314.71
  5. Step 5: Solve for x
    x = 112,479,655,314.71/153,619.66
  6. Step 6: Final answer
    x = 732,195.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.