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Finding the Third Proportional to 70,576,638 and 152,878,188

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Solution

The third proportional to 70,576,638 and 152,878,188 is: 331,154,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576,638 : 152,878,188 = 152,878,188 : x
  2. Step 2: Convert to fraction form
    70,576,638/152,878,188 = 152,878,188/x
  3. Step 3: Cross multiply
    70,576,638x = 152,878,188 × 152,878,188
  4. Step 4: Simplify right side
    70,576,638x = 23,371,740,366,163,344
  5. Step 5: Solve for x
    x = 23,371,740,366,163,344/70,576,638
  6. Step 6: Final answer
    x = 331,154,062.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.