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Finding the Third Proportional to 418,927,943 and 888,921,324

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Solution

The third proportional to 418,927,943 and 888,921,324 is: 1,886,198,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,927,943 : 888,921,324 = 888,921,324 : x
  2. Step 2: Convert to fraction form
    418,927,943/888,921,324 = 888,921,324/x
  3. Step 3: Cross multiply
    418,927,943x = 888,921,324 × 888,921,324
  4. Step 4: Simplify right side
    418,927,943x = 790,181,120,261,912,960
  5. Step 5: Solve for x
    x = 790,181,120,261,912,960/418,927,943
  6. Step 6: Final answer
    x = 1,886,198,171.94

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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.