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Finding the Third Proportional to 18,955,817 and 40,932,156

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Solution

The third proportional to 18,955,817 and 40,932,156 is: 88,386,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955,817 : 40,932,156 = 40,932,156 : x
  2. Step 2: Convert to fraction form
    18,955,817/40,932,156 = 40,932,156/x
  3. Step 3: Cross multiply
    18,955,817x = 40,932,156 × 40,932,156
  4. Step 4: Simplify right side
    18,955,817x = 1,675,441,394,808,336
  5. Step 5: Solve for x
    x = 1,675,441,394,808,336/18,955,817
  6. Step 6: Final answer
    x = 88,386,662.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.