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Finding the Third Proportional to 9,778,943.25 and 21,240,756

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Solution

The third proportional to 9,778,943.25 and 21,240,756 is: 46,136,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,943.25 : 21,240,756 = 21,240,756 : x
  2. Step 2: Convert to fraction form
    9,778,943.25/21,240,756 = 21,240,756/x
  3. Step 3: Cross multiply
    9,778,943.25x = 21,240,756 × 21,240,756
  4. Step 4: Simplify right side
    9,778,943.25x = 451,169,715,451,536
  5. Step 5: Solve for x
    x = 451,169,715,451,536/9,778,943.25
  6. Step 6: Final answer
    x = 46,136,857.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.