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Finding the Third Proportional to 4,223,857.50 and 8,644,545

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Solution

The third proportional to 4,223,857.50 and 8,644,545 is: 17,691,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223,857.50 : 8,644,545 = 8,644,545 : x
  2. Step 2: Convert to fraction form
    4,223,857.50/8,644,545 = 8,644,545/x
  3. Step 3: Cross multiply
    4,223,857.50x = 8,644,545 × 8,644,545
  4. Step 4: Simplify right side
    4,223,857.50x = 74,728,158,257,025
  5. Step 5: Solve for x
    x = 74,728,158,257,025/4,223,857.50
  6. Step 6: Final answer
    x = 17,691,922.20

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.