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Finding the Third Proportional to 89,017,865 and 189,793,768

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Solution

The third proportional to 89,017,865 and 189,793,768 is: 404,656,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,017,865 : 189,793,768 = 189,793,768 : x
  2. Step 2: Convert to fraction form
    89,017,865/189,793,768 = 189,793,768/x
  3. Step 3: Cross multiply
    89,017,865x = 189,793,768 × 189,793,768
  4. Step 4: Simplify right side
    89,017,865x = 36,021,674,371,637,824
  5. Step 5: Solve for x
    x = 36,021,674,371,637,824/89,017,865
  6. Step 6: Final answer
    x = 404,656,687.41

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