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Finding the Third Proportional to 54,291,720 and 118,337,772

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Solution

The third proportional to 54,291,720 and 118,337,772 is: 257,936,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291,720 : 118,337,772 = 118,337,772 : x
  2. Step 2: Convert to fraction form
    54,291,720/118,337,772 = 118,337,772/x
  3. Step 3: Cross multiply
    54,291,720x = 118,337,772 × 118,337,772
  4. Step 4: Simplify right side
    54,291,720x = 14,003,828,281,923,984
  5. Step 5: Solve for x
    x = 14,003,828,281,923,984/54,291,720
  6. Step 6: Final answer
    x = 257,936,721.88

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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.