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Finding the Third Proportional to 12,635,175 and 18,478,911

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Solution

The third proportional to 12,635,175 and 18,478,911 is: 27,025,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,175 : 18,478,911 = 18,478,911 : x
  2. Step 2: Convert to fraction form
    12,635,175/18,478,911 = 18,478,911/x
  3. Step 3: Cross multiply
    12,635,175x = 18,478,911 × 18,478,911
  4. Step 4: Simplify right side
    12,635,175x = 341,470,151,745,921
  5. Step 5: Solve for x
    x = 341,470,151,745,921/12,635,175
  6. Step 6: Final answer
    x = 27,025,359.90

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.