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Finding the Third Proportional to 8,561,618 and 12,558,599

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Solution

The third proportional to 8,561,618 and 12,558,599 is: 18,421,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,618 : 12,558,599 = 12,558,599 : x
  2. Step 2: Convert to fraction form
    8,561,618/12,558,599 = 12,558,599/x
  3. Step 3: Cross multiply
    8,561,618x = 12,558,599 × 12,558,599
  4. Step 4: Simplify right side
    8,561,618x = 157,718,408,842,801
  5. Step 5: Solve for x
    x = 157,718,408,842,801/8,561,618
  6. Step 6: Final answer
    x = 18,421,565.74

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.