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Finding the Third Proportional to 121,662,526 and 188,505,042

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Solution

The third proportional to 121,662,526 and 188,505,042 is: 292,071,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,662,526 : 188,505,042 = 188,505,042 : x
  2. Step 2: Convert to fraction form
    121,662,526/188,505,042 = 188,505,042/x
  3. Step 3: Cross multiply
    121,662,526x = 188,505,042 × 188,505,042
  4. Step 4: Simplify right side
    121,662,526x = 35,534,150,859,421,764
  5. Step 5: Solve for x
    x = 35,534,150,859,421,764/121,662,526
  6. Step 6: Final answer
    x = 292,071,453.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.