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Finding the Third Proportional to 72,298,377 and 159,263,262

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Solution

The third proportional to 72,298,377 and 159,263,262 is: 350,834,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,298,377 : 159,263,262 = 159,263,262 : x
  2. Step 2: Convert to fraction form
    72,298,377/159,263,262 = 159,263,262/x
  3. Step 3: Cross multiply
    72,298,377x = 159,263,262 × 159,263,262
  4. Step 4: Simplify right side
    72,298,377x = 25,364,786,622,880,644
  5. Step 5: Solve for x
    x = 25,364,786,622,880,644/72,298,377
  6. Step 6: Final answer
    x = 350,834,799.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.