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Finding the Third Proportional to 8,995,764 and 12,820,778.25

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Solution

The third proportional to 8,995,764 and 12,820,778.25 is: 18,272,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995,764 : 12,820,778.25 = 12,820,778.25 : x
  2. Step 2: Convert to fraction form
    8,995,764/12,820,778.25 = 12,820,778.25/x
  3. Step 3: Cross multiply
    8,995,764x = 12,820,778.25 × 12,820,778.25
  4. Step 4: Simplify right side
    8,995,764x = 164,372,354,935,673.06
  5. Step 5: Solve for x
    x = 164,372,354,935,673.06/8,995,764
  6. Step 6: Final answer
    x = 18,272,195.11

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.