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Finding the Third Proportional to 11,708,391 and 18,019,120.50

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Solution

The third proportional to 11,708,391 and 18,019,120.50 is: 27,731,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708,391 : 18,019,120.50 = 18,019,120.50 : x
  2. Step 2: Convert to fraction form
    11,708,391/18,019,120.50 = 18,019,120.50/x
  3. Step 3: Cross multiply
    11,708,391x = 18,019,120.50 × 18,019,120.50
  4. Step 4: Simplify right side
    11,708,391x = 324,688,703,593,520.25
  5. Step 5: Solve for x
    x = 324,688,703,593,520.25/11,708,391
  6. Step 6: Final answer
    x = 27,731,282.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.