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Finding the Third Proportional to 9,162,990 and 13,464,000.56

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Solution

The third proportional to 9,162,990 and 13,464,000.56 is: 19,783,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162,990 : 13,464,000.56 = 13,464,000.56 : x
  2. Step 2: Convert to fraction form
    9,162,990/13,464,000.56 = 13,464,000.56/x
  3. Step 3: Cross multiply
    9,162,990x = 13,464,000.56 × 13,464,000.56
  4. Step 4: Simplify right side
    9,162,990x = 181,279,311,147,000.31
  5. Step 5: Solve for x
    x = 181,279,311,147,000.31/9,162,990
  6. Step 6: Final answer
    x = 19,783,859.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.