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Finding the Third Proportional to 54,287,210 and 118,328,980

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Solution

The third proportional to 54,287,210 and 118,328,980 is: 257,919,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,287,210 : 118,328,980 = 118,328,980 : x
  2. Step 2: Convert to fraction form
    54,287,210/118,328,980 = 118,328,980/x
  3. Step 3: Cross multiply
    54,287,210x = 118,328,980 × 118,328,980
  4. Step 4: Simplify right side
    54,287,210x = 14,001,747,507,840,400
  5. Step 5: Solve for x
    x = 14,001,747,507,840,400/54,287,210
  6. Step 6: Final answer
    x = 257,919,821.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.