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Finding the Third Proportional to 7,140,568 and 15,698,130

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Solution

The third proportional to 7,140,568 and 15,698,130 is: 34,511,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,568 : 15,698,130 = 15,698,130 : x
  2. Step 2: Convert to fraction form
    7,140,568/15,698,130 = 15,698,130/x
  3. Step 3: Cross multiply
    7,140,568x = 15,698,130 × 15,698,130
  4. Step 4: Simplify right side
    7,140,568x = 246,431,285,496,900
  5. Step 5: Solve for x
    x = 246,431,285,496,900/7,140,568
  6. Step 6: Final answer
    x = 34,511,440.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.