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Finding the Third Proportional to 98,534,043 and 138,581,539

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Solution

The third proportional to 98,534,043 and 138,581,539 is: 194,905,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,534,043 : 138,581,539 = 138,581,539 : x
  2. Step 2: Convert to fraction form
    98,534,043/138,581,539 = 138,581,539/x
  3. Step 3: Cross multiply
    98,534,043x = 138,581,539 × 138,581,539
  4. Step 4: Simplify right side
    98,534,043x = 19,204,842,951,608,520
  5. Step 5: Solve for x
    x = 19,204,842,951,608,520/98,534,043
  6. Step 6: Final answer
    x = 194,905,662.72

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.