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Finding the Third Proportional to 8,508,618 and 18,213,255

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Solution

The third proportional to 8,508,618 and 18,213,255 is: 38,986,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,618 : 18,213,255 = 18,213,255 : x
  2. Step 2: Convert to fraction form
    8,508,618/18,213,255 = 18,213,255/x
  3. Step 3: Cross multiply
    8,508,618x = 18,213,255 × 18,213,255
  4. Step 4: Simplify right side
    8,508,618x = 331,722,657,695,025
  5. Step 5: Solve for x
    x = 331,722,657,695,025/8,508,618
  6. Step 6: Final answer
    x = 38,986,667.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.