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Finding the Third Proportional to 3,807,762.75 and 7,930,453.50

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Solution

The third proportional to 3,807,762.75 and 7,930,453.50 is: 16,516,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807,762.75 : 7,930,453.50 = 7,930,453.50 : x
  2. Step 2: Convert to fraction form
    3,807,762.75/7,930,453.50 = 7,930,453.50/x
  3. Step 3: Cross multiply
    3,807,762.75x = 7,930,453.50 × 7,930,453.50
  4. Step 4: Simplify right side
    3,807,762.75x = 62,892,092,715,662.25
  5. Step 5: Solve for x
    x = 62,892,092,715,662.25/3,807,762.75
  6. Step 6: Final answer
    x = 16,516,809.70

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.