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Finding the Third Proportional to 72,726,348 and 161,595,996

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Solution

The third proportional to 72,726,348 and 161,595,996 is: 359,061,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,726,348 : 161,595,996 = 161,595,996 : x
  2. Step 2: Convert to fraction form
    72,726,348/161,595,996 = 161,595,996/x
  3. Step 3: Cross multiply
    72,726,348x = 161,595,996 × 161,595,996
  4. Step 4: Simplify right side
    72,726,348x = 26,113,265,923,232,016
  5. Step 5: Solve for x
    x = 26,113,265,923,232,016/72,726,348
  6. Step 6: Final answer
    x = 359,061,971.92

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.