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Finding the Third Proportional to 550,458 and 1,138,672.50

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Solution

The third proportional to 550,458 and 1,138,672.50 is: 2,355,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,458 : 1,138,672.50 = 1,138,672.50 : x
  2. Step 2: Convert to fraction form
    550,458/1,138,672.50 = 1,138,672.50/x
  3. Step 3: Cross multiply
    550,458x = 1,138,672.50 × 1,138,672.50
  4. Step 4: Simplify right side
    550,458x = 1,296,575,062,256.25
  5. Step 5: Solve for x
    x = 1,296,575,062,256.25/550,458
  6. Step 6: Final answer
    x = 2,355,447.76

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.