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Finding the Third Proportional to 12,146,888 and 18,626,318

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Solution

The third proportional to 12,146,888 and 18,626,318 is: 28,562,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,888 : 18,626,318 = 18,626,318 : x
  2. Step 2: Convert to fraction form
    12,146,888/18,626,318 = 18,626,318/x
  3. Step 3: Cross multiply
    12,146,888x = 18,626,318 × 18,626,318
  4. Step 4: Simplify right side
    12,146,888x = 346,939,722,237,124
  5. Step 5: Solve for x
    x = 346,939,722,237,124/12,146,888
  6. Step 6: Final answer
    x = 28,562,025.29

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.