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Finding the Third Proportional to 34,293,987 and 73,972,530

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Solution

The third proportional to 34,293,987 and 73,972,530 is: 159,559,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,293,987 : 73,972,530 = 73,972,530 : x
  2. Step 2: Convert to fraction form
    34,293,987/73,972,530 = 73,972,530/x
  3. Step 3: Cross multiply
    34,293,987x = 73,972,530 × 73,972,530
  4. Step 4: Simplify right side
    34,293,987x = 5,471,935,194,600,900
  5. Step 5: Solve for x
    x = 5,471,935,194,600,900/34,293,987
  6. Step 6: Final answer
    x = 159,559,610.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.