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Finding the Third Proportional to 4,039,485 and 8,839,101

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Solution

The third proportional to 4,039,485 and 8,839,101 is: 19,341,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,485 : 8,839,101 = 8,839,101 : x
  2. Step 2: Convert to fraction form
    4,039,485/8,839,101 = 8,839,101/x
  3. Step 3: Cross multiply
    4,039,485x = 8,839,101 × 8,839,101
  4. Step 4: Simplify right side
    4,039,485x = 78,129,706,488,201
  5. Step 5: Solve for x
    x = 78,129,706,488,201/4,039,485
  6. Step 6: Final answer
    x = 19,341,501.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.