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Finding the Third Proportional to 167,813,615 and 368,929,408

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Solution

The third proportional to 167,813,615 and 368,929,408 is: 811,071,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,813,615 : 368,929,408 = 368,929,408 : x
  2. Step 2: Convert to fraction form
    167,813,615/368,929,408 = 368,929,408/x
  3. Step 3: Cross multiply
    167,813,615x = 368,929,408 × 368,929,408
  4. Step 4: Simplify right side
    167,813,615x = 136,108,908,087,230,464
  5. Step 5: Solve for x
    x = 136,108,908,087,230,464/167,813,615
  6. Step 6: Final answer
    x = 811,071,903.12

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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.