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Finding the Third Proportional to 156,633,390 and 331,938,765

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Solution

The third proportional to 156,633,390 and 331,938,765 is: 703,447,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633,390 : 331,938,765 = 331,938,765 : x
  2. Step 2: Convert to fraction form
    156,633,390/331,938,765 = 331,938,765/x
  3. Step 3: Cross multiply
    156,633,390x = 331,938,765 × 331,938,765
  4. Step 4: Simplify right side
    156,633,390x = 110,183,343,709,725,232
  5. Step 5: Solve for x
    x = 110,183,343,709,725,232/156,633,390
  6. Step 6: Final answer
    x = 703,447,353.78

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.