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Finding the Third Proportional to 12,479,778 and 26,822,178

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Solution

The third proportional to 12,479,778 and 26,822,178 is: 57,647,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,778 : 26,822,178 = 26,822,178 : x
  2. Step 2: Convert to fraction form
    12,479,778/26,822,178 = 26,822,178/x
  3. Step 3: Cross multiply
    12,479,778x = 26,822,178 × 26,822,178
  4. Step 4: Simplify right side
    12,479,778x = 719,429,232,663,684
  5. Step 5: Solve for x
    x = 719,429,232,663,684/12,479,778
  6. Step 6: Final answer
    x = 57,647,598.59

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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.