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Finding the Third Proportional to 100,201,356 and 155,150,603

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Solution

The third proportional to 100,201,356 and 155,150,603 is: 240,233,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,201,356 : 155,150,603 = 155,150,603 : x
  2. Step 2: Convert to fraction form
    100,201,356/155,150,603 = 155,150,603/x
  3. Step 3: Cross multiply
    100,201,356x = 155,150,603 × 155,150,603
  4. Step 4: Simplify right side
    100,201,356x = 24,071,709,611,263,608
  5. Step 5: Solve for x
    x = 24,071,709,611,263,608/100,201,356
  6. Step 6: Final answer
    x = 240,233,371.80

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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.