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Finding the Third Proportional to 45,437,912 and 99,959,920

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Solution

The third proportional to 45,437,912 and 99,959,920 is: 219,904,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437,912 : 99,959,920 = 99,959,920 : x
  2. Step 2: Convert to fraction form
    45,437,912/99,959,920 = 99,959,920/x
  3. Step 3: Cross multiply
    45,437,912x = 99,959,920 × 99,959,920
  4. Step 4: Simplify right side
    45,437,912x = 9,991,985,606,406,400
  5. Step 5: Solve for x
    x = 9,991,985,606,406,400/45,437,912
  6. Step 6: Final answer
    x = 219,904,154.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.