Home / 11,922,688.69-18,910,011.94

Finding the Third Proportional to 11,922,688.69 and 18,910,011.94

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Solution

The third proportional to 11,922,688.69 and 18,910,011.94 is: 29,992,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922,688.69 : 18,910,011.94 = 18,910,011.94 : x
  2. Step 2: Convert to fraction form
    11,922,688.69/18,910,011.94 = 18,910,011.94/x
  3. Step 3: Cross multiply
    11,922,688.69x = 18,910,011.94 × 18,910,011.94
  4. Step 4: Simplify right side
    11,922,688.69x = 357,588,551,476,392.50
  5. Step 5: Solve for x
    x = 357,588,551,476,392.50/11,922,688.69
  6. Step 6: Final answer
    x = 29,992,274.47

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.