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Finding the Third Proportional to 8,885,726 and 12,991,785

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Solution

The third proportional to 8,885,726 and 12,991,785 is: 18,995,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885,726 : 12,991,785 = 12,991,785 : x
  2. Step 2: Convert to fraction form
    8,885,726/12,991,785 = 12,991,785/x
  3. Step 3: Cross multiply
    8,885,726x = 12,991,785 × 12,991,785
  4. Step 4: Simplify right side
    8,885,726x = 168,786,477,486,225
  5. Step 5: Solve for x
    x = 168,786,477,486,225/8,885,726
  6. Step 6: Final answer
    x = 18,995,237.70

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.