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Finding the Third Proportional to 20,589,985 and 43,915,862

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Solution

The third proportional to 20,589,985 and 43,915,862 is: 93,667,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,985 : 43,915,862 = 43,915,862 : x
  2. Step 2: Convert to fraction form
    20,589,985/43,915,862 = 43,915,862/x
  3. Step 3: Cross multiply
    20,589,985x = 43,915,862 × 43,915,862
  4. Step 4: Simplify right side
    20,589,985x = 1,928,602,935,203,044
  5. Step 5: Solve for x
    x = 1,928,602,935,203,044/20,589,985
  6. Step 6: Final answer
    x = 93,667,039.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.