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Finding the Third Proportional to 18,966,101.91 and 41,120,827.03

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Solution

The third proportional to 18,966,101.91 and 41,120,827.03 is: 89,154,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966,101.91 : 41,120,827.03 = 41,120,827.03 : x
  2. Step 2: Convert to fraction form
    18,966,101.91/41,120,827.03 = 41,120,827.03/x
  3. Step 3: Cross multiply
    18,966,101.91x = 41,120,827.03 × 41,120,827.03
  4. Step 4: Simplify right side
    18,966,101.91x = 1,690,922,415,733,980.75
  5. Step 5: Solve for x
    x = 1,690,922,415,733,980.75/18,966,101.91
  6. Step 6: Final answer
    x = 89,154,978.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.