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Finding the Third Proportional to 145,429,105 and 311,013,602

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Solution

The third proportional to 145,429,105 and 311,013,602 is: 665,131,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,429,105 : 311,013,602 = 311,013,602 : x
  2. Step 2: Convert to fraction form
    145,429,105/311,013,602 = 311,013,602/x
  3. Step 3: Cross multiply
    145,429,105x = 311,013,602 × 311,013,602
  4. Step 4: Simplify right side
    145,429,105x = 96,729,460,629,014,400
  5. Step 5: Solve for x
    x = 96,729,460,629,014,400/145,429,105
  6. Step 6: Final answer
    x = 665,131,375.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.