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Finding the Third Proportional to 12,178,550 and 26,194,180

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Solution

The third proportional to 12,178,550 and 26,194,180 is: 56,339,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,550 : 26,194,180 = 26,194,180 : x
  2. Step 2: Convert to fraction form
    12,178,550/26,194,180 = 26,194,180/x
  3. Step 3: Cross multiply
    12,178,550x = 26,194,180 × 26,194,180
  4. Step 4: Simplify right side
    12,178,550x = 686,135,065,872,400
  5. Step 5: Solve for x
    x = 686,135,065,872,400/12,178,550
  6. Step 6: Final answer
    x = 56,339,635.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.