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Finding the Third Proportional to 3,228,477.19 and 7,024,439.81

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Solution

The third proportional to 3,228,477.19 and 7,024,439.81 is: 15,283,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,477.19 : 7,024,439.81 = 7,024,439.81 : x
  2. Step 2: Convert to fraction form
    3,228,477.19/7,024,439.81 = 7,024,439.81/x
  3. Step 3: Cross multiply
    3,228,477.19x = 7,024,439.81 × 7,024,439.81
  4. Step 4: Simplify right side
    3,228,477.19x = 49,342,754,679,435.03
  5. Step 5: Solve for x
    x = 49,342,754,679,435.03/3,228,477.19
  6. Step 6: Final answer
    x = 15,283,600.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.