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Finding the Third Proportional to 10,221,679 and 21,861,627

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Solution

The third proportional to 10,221,679 and 21,861,627 is: 46,756,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,679 : 21,861,627 = 21,861,627 : x
  2. Step 2: Convert to fraction form
    10,221,679/21,861,627 = 21,861,627/x
  3. Step 3: Cross multiply
    10,221,679x = 21,861,627 × 21,861,627
  4. Step 4: Simplify right side
    10,221,679x = 477,930,735,087,129
  5. Step 5: Solve for x
    x = 477,930,735,087,129/10,221,679
  6. Step 6: Final answer
    x = 46,756,578.36

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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.