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Finding the Third Proportional to 193,321,976 and 292,790,772

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Solution

The third proportional to 193,321,976 and 292,790,772 is: 443,438,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,321,976 : 292,790,772 = 292,790,772 : x
  2. Step 2: Convert to fraction form
    193,321,976/292,790,772 = 292,790,772/x
  3. Step 3: Cross multiply
    193,321,976x = 292,790,772 × 292,790,772
  4. Step 4: Simplify right side
    193,321,976x = 85,726,436,168,355,984
  5. Step 5: Solve for x
    x = 85,726,436,168,355,984/193,321,976
  6. Step 6: Final answer
    x = 443,438,650.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.