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Finding the Third Proportional to 4,486,887 and 6,728,638.50

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Solution

The third proportional to 4,486,887 and 6,728,638.50 is: 10,090,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,887 : 6,728,638.50 = 6,728,638.50 : x
  2. Step 2: Convert to fraction form
    4,486,887/6,728,638.50 = 6,728,638.50/x
  3. Step 3: Cross multiply
    4,486,887x = 6,728,638.50 × 6,728,638.50
  4. Step 4: Simplify right side
    4,486,887x = 45,274,576,063,682.25
  5. Step 5: Solve for x
    x = 45,274,576,063,682.25/4,486,887
  6. Step 6: Final answer
    x = 10,090,420.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.