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Finding the Third Proportional to 8,378,492 and 18,079,618

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Solution

The third proportional to 8,378,492 and 18,079,618 is: 39,013,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,492 : 18,079,618 = 18,079,618 : x
  2. Step 2: Convert to fraction form
    8,378,492/18,079,618 = 18,079,618/x
  3. Step 3: Cross multiply
    8,378,492x = 18,079,618 × 18,079,618
  4. Step 4: Simplify right side
    8,378,492x = 326,872,587,025,924
  5. Step 5: Solve for x
    x = 326,872,587,025,924/8,378,492
  6. Step 6: Final answer
    x = 39,013,295.83

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.