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Finding the Third Proportional to 3,479,440 and 7,497,740

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Solution

The third proportional to 3,479,440 and 7,497,740 is: 16,156,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,440 : 7,497,740 = 7,497,740 : x
  2. Step 2: Convert to fraction form
    3,479,440/7,497,740 = 7,497,740/x
  3. Step 3: Cross multiply
    3,479,440x = 7,497,740 × 7,497,740
  4. Step 4: Simplify right side
    3,479,440x = 56,216,105,107,600
  5. Step 5: Solve for x
    x = 56,216,105,107,600/3,479,440
  6. Step 6: Final answer
    x = 16,156,653.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.