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Finding the Third Proportional to 18,546,236 and 39,834,804

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Solution

The third proportional to 18,546,236 and 39,834,804 is: 85,559,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,236 : 39,834,804 = 39,834,804 : x
  2. Step 2: Convert to fraction form
    18,546,236/39,834,804 = 39,834,804/x
  3. Step 3: Cross multiply
    18,546,236x = 39,834,804 × 39,834,804
  4. Step 4: Simplify right side
    18,546,236x = 1,586,811,609,718,416
  5. Step 5: Solve for x
    x = 1,586,811,609,718,416/18,546,236
  6. Step 6: Final answer
    x = 85,559,765.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.