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Finding the Third Proportional to 18,841,743 and 40,813,653

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Solution

The third proportional to 18,841,743 and 40,813,653 is: 88,407,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,743 : 40,813,653 = 40,813,653 : x
  2. Step 2: Convert to fraction form
    18,841,743/40,813,653 = 40,813,653/x
  3. Step 3: Cross multiply
    18,841,743x = 40,813,653 × 40,813,653
  4. Step 4: Simplify right side
    18,841,743x = 1,665,754,271,204,409
  5. Step 5: Solve for x
    x = 1,665,754,271,204,409/18,841,743
  6. Step 6: Final answer
    x = 88,407,652.69

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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.