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Finding the Third Proportional to 121,719,737.25 and 188,504,190

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Solution

The third proportional to 121,719,737.25 and 188,504,190 is: 291,931,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,719,737.25 : 188,504,190 = 188,504,190 : x
  2. Step 2: Convert to fraction form
    121,719,737.25/188,504,190 = 188,504,190/x
  3. Step 3: Cross multiply
    121,719,737.25x = 188,504,190 × 188,504,190
  4. Step 4: Simplify right side
    121,719,737.25x = 35,533,829,647,556,100
  5. Step 5: Solve for x
    x = 35,533,829,647,556,100/121,719,737.25
  6. Step 6: Final answer
    x = 291,931,534.28

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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.