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Finding the Third Proportional to 11,670,988 and 18,751,988

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Solution

The third proportional to 11,670,988 and 18,751,988 is: 30,129,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670,988 : 18,751,988 = 18,751,988 : x
  2. Step 2: Convert to fraction form
    11,670,988/18,751,988 = 18,751,988/x
  3. Step 3: Cross multiply
    11,670,988x = 18,751,988 × 18,751,988
  4. Step 4: Simplify right side
    11,670,988x = 351,637,053,952,144
  5. Step 5: Solve for x
    x = 351,637,053,952,144/11,670,988
  6. Step 6: Final answer
    x = 30,129,159.07

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.