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Finding the Third Proportional to 12,072,318 and 18,843,306

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Solution

The third proportional to 12,072,318 and 18,843,306 is: 29,411,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,318 : 18,843,306 = 18,843,306 : x
  2. Step 2: Convert to fraction form
    12,072,318/18,843,306 = 18,843,306/x
  3. Step 3: Cross multiply
    12,072,318x = 18,843,306 × 18,843,306
  4. Step 4: Simplify right side
    12,072,318x = 355,070,181,009,636
  5. Step 5: Solve for x
    x = 355,070,181,009,636/12,072,318
  6. Step 6: Final answer
    x = 29,411,930.75

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.