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Finding the Third Proportional to 12,507,054 and 18,686,958

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Solution

The third proportional to 12,507,054 and 18,686,958 is: 27,920,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,054 : 18,686,958 = 18,686,958 : x
  2. Step 2: Convert to fraction form
    12,507,054/18,686,958 = 18,686,958/x
  3. Step 3: Cross multiply
    12,507,054x = 18,686,958 × 18,686,958
  4. Step 4: Simplify right side
    12,507,054x = 349,202,399,293,764
  5. Step 5: Solve for x
    x = 349,202,399,293,764/12,507,054
  6. Step 6: Final answer
    x = 27,920,435.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.