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Finding the Third Proportional to 121,662,522 and 188,505,036

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Solution

The third proportional to 121,662,522 and 188,505,036 is: 292,071,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,662,522 : 188,505,036 = 188,505,036 : x
  2. Step 2: Convert to fraction form
    121,662,522/188,505,036 = 188,505,036/x
  3. Step 3: Cross multiply
    121,662,522x = 188,505,036 × 188,505,036
  4. Step 4: Simplify right side
    121,662,522x = 35,534,148,597,361,296
  5. Step 5: Solve for x
    x = 35,534,148,597,361,296/121,662,522
  6. Step 6: Final answer
    x = 292,071,444.95

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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.