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Finding the Third Proportional to 72,726,344 and 161,595,988

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Solution

The third proportional to 72,726,344 and 161,595,988 is: 359,061,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,726,344 : 161,595,988 = 161,595,988 : x
  2. Step 2: Convert to fraction form
    72,726,344/161,595,988 = 161,595,988/x
  3. Step 3: Cross multiply
    72,726,344x = 161,595,988 × 161,595,988
  4. Step 4: Simplify right side
    72,726,344x = 26,113,263,337,696,144
  5. Step 5: Solve for x
    x = 26,113,263,337,696,144/72,726,344
  6. Step 6: Final answer
    x = 359,061,956.11

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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.