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Finding the Third Proportional to 4,502,225,670 and 9,920,414,892

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Solution

The third proportional to 4,502,225,670 and 9,920,414,892 is: 21,859,106,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502,225,670 : 9,920,414,892 = 9,920,414,892 : x
  2. Step 2: Convert to fraction form
    4,502,225,670/9,920,414,892 = 9,920,414,892/x
  3. Step 3: Cross multiply
    4,502,225,670x = 9,920,414,892 × 9,920,414,892
  4. Step 4: Simplify right side
    4,502,225,670x = 98,414,631,629,415,366,656
  5. Step 5: Solve for x
    x = 98,414,631,629,415,366,656/4,502,225,670
  6. Step 6: Final answer
    x = 21,859,106,771.39

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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.