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Finding the Third Proportional to 8,719,640 and 20,366,531

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Solution

The third proportional to 8,719,640 and 20,366,531 is: 47,570,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,640 : 20,366,531 = 20,366,531 : x
  2. Step 2: Convert to fraction form
    8,719,640/20,366,531 = 20,366,531/x
  3. Step 3: Cross multiply
    8,719,640x = 20,366,531 × 20,366,531
  4. Step 4: Simplify right side
    8,719,640x = 414,795,584,973,961
  5. Step 5: Solve for x
    x = 414,795,584,973,961/8,719,640
  6. Step 6: Final answer
    x = 47,570,264.94

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.