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Finding the Third Proportional to 117,223,740 and 172,324,098

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Solution

The third proportional to 117,223,740 and 172,324,098 is: 253,324,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,223,740 : 172,324,098 = 172,324,098 : x
  2. Step 2: Convert to fraction form
    117,223,740/172,324,098 = 172,324,098/x
  3. Step 3: Cross multiply
    117,223,740x = 172,324,098 × 172,324,098
  4. Step 4: Simplify right side
    117,223,740x = 29,695,594,751,513,604
  5. Step 5: Solve for x
    x = 29,695,594,751,513,604/117,223,740
  6. Step 6: Final answer
    x = 253,324,068.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.