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Finding the Third Proportional to 45,127,072 and 87,987,008

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Solution

The third proportional to 45,127,072 and 87,987,008 is: 171,553,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127,072 : 87,987,008 = 87,987,008 : x
  2. Step 2: Convert to fraction form
    45,127,072/87,987,008 = 87,987,008/x
  3. Step 3: Cross multiply
    45,127,072x = 87,987,008 × 87,987,008
  4. Step 4: Simplify right side
    45,127,072x = 7,741,713,576,792,064
  5. Step 5: Solve for x
    x = 7,741,713,576,792,064/45,127,072
  6. Step 6: Final answer
    x = 171,553,642.50

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.