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Finding the Third Proportional to 1,143,135.28 and 1,567,486.69

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Solution

The third proportional to 1,143,135.28 and 1,567,486.69 is: 2,149,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,135.28 : 1,567,486.69 = 1,567,486.69 : x
  2. Step 2: Convert to fraction form
    1,143,135.28/1,567,486.69 = 1,567,486.69/x
  3. Step 3: Cross multiply
    1,143,135.28x = 1,567,486.69 × 1,567,486.69
  4. Step 4: Simplify right side
    1,143,135.28x = 2,457,014,515,489.72
  5. Step 5: Solve for x
    x = 2,457,014,515,489.72/1,143,135.28
  6. Step 6: Final answer
    x = 2,149,364.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.