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Finding the Third Proportional to 4,172,188,111 and 9,068,994,918

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Solution

The third proportional to 4,172,188,111 and 9,068,994,918 is: 19,713,077,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,188,111 : 9,068,994,918 = 9,068,994,918 : x
  2. Step 2: Convert to fraction form
    4,172,188,111/9,068,994,918 = 9,068,994,918/x
  3. Step 3: Cross multiply
    4,172,188,111x = 9,068,994,918 × 9,068,994,918
  4. Step 4: Simplify right side
    4,172,188,111x = 82,246,668,822,709,829,632
  5. Step 5: Solve for x
    x = 82,246,668,822,709,829,632/4,172,188,111
  6. Step 6: Final answer
    x = 19,713,077,798.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.