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Finding the Third Proportional to 8,513,910 and 13,218,606

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Solution

The third proportional to 8,513,910 and 13,218,606 is: 20,523,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,910 : 13,218,606 = 13,218,606 : x
  2. Step 2: Convert to fraction form
    8,513,910/13,218,606 = 13,218,606/x
  3. Step 3: Cross multiply
    8,513,910x = 13,218,606 × 13,218,606
  4. Step 4: Simplify right side
    8,513,910x = 174,731,544,583,236
  5. Step 5: Solve for x
    x = 174,731,544,583,236/8,513,910
  6. Step 6: Final answer
    x = 20,523,066.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.