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Finding the Third Proportional to 3,859,949 and 8,249,989

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Solution

The third proportional to 3,859,949 and 8,249,989 is: 17,632,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,949 : 8,249,989 = 8,249,989 : x
  2. Step 2: Convert to fraction form
    3,859,949/8,249,989 = 8,249,989/x
  3. Step 3: Cross multiply
    3,859,949x = 8,249,989 × 8,249,989
  4. Step 4: Simplify right side
    3,859,949x = 68,062,318,500,121
  5. Step 5: Solve for x
    x = 68,062,318,500,121/3,859,949
  6. Step 6: Final answer
    x = 17,632,957.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.