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Finding the Third Proportional to 3,425,155.50 and 7,453,278

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Solution

The third proportional to 3,425,155.50 and 7,453,278 is: 16,218,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425,155.50 : 7,453,278 = 7,453,278 : x
  2. Step 2: Convert to fraction form
    3,425,155.50/7,453,278 = 7,453,278/x
  3. Step 3: Cross multiply
    3,425,155.50x = 7,453,278 × 7,453,278
  4. Step 4: Simplify right side
    3,425,155.50x = 55,551,352,945,284
  5. Step 5: Solve for x
    x = 55,551,352,945,284/3,425,155.50
  6. Step 6: Final answer
    x = 16,218,636.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.