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Finding the Third Proportional to 169,888,939.31 and 262,344,022.59

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Solution

The third proportional to 169,888,939.31 and 262,344,022.59 is: 405,113,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,888,939.31 : 262,344,022.59 = 262,344,022.59 : x
  2. Step 2: Convert to fraction form
    169,888,939.31/262,344,022.59 = 262,344,022.59/x
  3. Step 3: Cross multiply
    169,888,939.31x = 262,344,022.59 × 262,344,022.59
  4. Step 4: Simplify right side
    169,888,939.31x = 68,824,386,190,670,008
  5. Step 5: Solve for x
    x = 68,824,386,190,670,008/169,888,939.31
  6. Step 6: Final answer
    x = 405,113,990.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.