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Finding the Third Proportional to 9,930,006 and 21,427,571.25

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Solution

The third proportional to 9,930,006 and 21,427,571.25 is: 46,237,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930,006 : 21,427,571.25 = 21,427,571.25 : x
  2. Step 2: Convert to fraction form
    9,930,006/21,427,571.25 = 21,427,571.25/x
  3. Step 3: Cross multiply
    9,930,006x = 21,427,571.25 × 21,427,571.25
  4. Step 4: Simplify right side
    9,930,006x = 459,140,809,673,826.56
  5. Step 5: Solve for x
    x = 459,140,809,673,826.56/9,930,006
  6. Step 6: Final answer
    x = 46,237,717.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.