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Finding the Third Proportional to 219,316,375 and 481,673,173

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Solution

The third proportional to 219,316,375 and 481,673,173 is: 1,057,873,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,375 : 481,673,173 = 481,673,173 : x
  2. Step 2: Convert to fraction form
    219,316,375/481,673,173 = 481,673,173/x
  3. Step 3: Cross multiply
    219,316,375x = 481,673,173 × 481,673,173
  4. Step 4: Simplify right side
    219,316,375x = 232,009,045,587,887,936
  5. Step 5: Solve for x
    x = 232,009,045,587,887,936/219,316,375
  6. Step 6: Final answer
    x = 1,057,873,793.45

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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.