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Finding the Third Proportional to 117,698,676.75 and 161,568,151.50

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Solution

The third proportional to 117,698,676.75 and 161,568,151.50 is: 221,788,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,698,676.75 : 161,568,151.50 = 161,568,151.50 : x
  2. Step 2: Convert to fraction form
    117,698,676.75/161,568,151.50 = 161,568,151.50/x
  3. Step 3: Cross multiply
    117,698,676.75x = 161,568,151.50 × 161,568,151.50
  4. Step 4: Simplify right side
    117,698,676.75x = 26,104,267,579,126,952
  5. Step 5: Solve for x
    x = 26,104,267,579,126,952/117,698,676.75
  6. Step 6: Final answer
    x = 221,788,963.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.