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Finding the Third Proportional to 7,986,840.50 and 11,421,275

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Solution

The third proportional to 7,986,840.50 and 11,421,275 is: 16,332,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,840.50 : 11,421,275 = 11,421,275 : x
  2. Step 2: Convert to fraction form
    7,986,840.50/11,421,275 = 11,421,275/x
  3. Step 3: Cross multiply
    7,986,840.50x = 11,421,275 × 11,421,275
  4. Step 4: Simplify right side
    7,986,840.50x = 130,445,522,625,625
  5. Step 5: Solve for x
    x = 130,445,522,625,625/7,986,840.50
  6. Step 6: Final answer
    x = 16,332,556.36

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.