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Finding the Third Proportional to 404,824,223 and 621,967,676

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Solution

The third proportional to 404,824,223 and 621,967,676 is: 955,584,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,824,223 : 621,967,676 = 621,967,676 : x
  2. Step 2: Convert to fraction form
    404,824,223/621,967,676 = 621,967,676/x
  3. Step 3: Cross multiply
    404,824,223x = 621,967,676 × 621,967,676
  4. Step 4: Simplify right side
    404,824,223x = 386,843,789,988,840,960
  5. Step 5: Solve for x
    x = 386,843,789,988,840,960/404,824,223
  6. Step 6: Final answer
    x = 955,584,592.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.