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Finding the Third Proportional to 558,500.63 and 863,026.31

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Solution

The third proportional to 558,500.63 and 863,026.31 is: 1,333,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,500.63 : 863,026.31 = 863,026.31 : x
  2. Step 2: Convert to fraction form
    558,500.63/863,026.31 = 863,026.31/x
  3. Step 3: Cross multiply
    558,500.63x = 863,026.31 × 863,026.31
  4. Step 4: Simplify right side
    558,500.63x = 744,814,416,067.35
  5. Step 5: Solve for x
    x = 744,814,416,067.35/558,500.63
  6. Step 6: Final answer
    x = 1,333,596.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.