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Finding the Third Proportional to 3,977,887.50 and 8,708,103

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Solution

The third proportional to 3,977,887.50 and 8,708,103 is: 19,063,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,887.50 : 8,708,103 = 8,708,103 : x
  2. Step 2: Convert to fraction form
    3,977,887.50/8,708,103 = 8,708,103/x
  3. Step 3: Cross multiply
    3,977,887.50x = 8,708,103 × 8,708,103
  4. Step 4: Simplify right side
    3,977,887.50x = 75,831,057,858,609
  5. Step 5: Solve for x
    x = 75,831,057,858,609/3,977,887.50
  6. Step 6: Final answer
    x = 19,063,147.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.