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Finding the Third Proportional to 858,652 and 1,335,243

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Solution

The third proportional to 858,652 and 1,335,243 is: 2,076,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,652 : 1,335,243 = 1,335,243 : x
  2. Step 2: Convert to fraction form
    858,652/1,335,243 = 1,335,243/x
  3. Step 3: Cross multiply
    858,652x = 1,335,243 × 1,335,243
  4. Step 4: Simplify right side
    858,652x = 1,782,873,869,049
  5. Step 5: Solve for x
    x = 1,782,873,869,049/858,652
  6. Step 6: Final answer
    x = 2,076,363.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.