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Finding the Third Proportional to 129,437,706 and 278,086,014

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Solution

The third proportional to 129,437,706 and 278,086,014 is: 597,444,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437,706 : 278,086,014 = 278,086,014 : x
  2. Step 2: Convert to fraction form
    129,437,706/278,086,014 = 278,086,014/x
  3. Step 3: Cross multiply
    129,437,706x = 278,086,014 × 278,086,014
  4. Step 4: Simplify right side
    129,437,706x = 77,331,831,182,408,192
  5. Step 5: Solve for x
    x = 77,331,831,182,408,192/129,437,706
  6. Step 6: Final answer
    x = 597,444,389.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.