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Finding the Third Proportional to 7,131,807 and 15,372,423

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Solution

The third proportional to 7,131,807 and 15,372,423 is: 33,134,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,807 : 15,372,423 = 15,372,423 : x
  2. Step 2: Convert to fraction form
    7,131,807/15,372,423 = 15,372,423/x
  3. Step 3: Cross multiply
    7,131,807x = 15,372,423 × 15,372,423
  4. Step 4: Simplify right side
    7,131,807x = 236,311,388,890,929
  5. Step 5: Solve for x
    x = 236,311,388,890,929/7,131,807
  6. Step 6: Final answer
    x = 33,134,854.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.