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Finding the Third Proportional to 156,158,373 and 342,957,621

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Solution

The third proportional to 156,158,373 and 342,957,621 is: 753,209,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,158,373 : 342,957,621 = 342,957,621 : x
  2. Step 2: Convert to fraction form
    156,158,373/342,957,621 = 342,957,621/x
  3. Step 3: Cross multiply
    156,158,373x = 342,957,621 × 342,957,621
  4. Step 4: Simplify right side
    156,158,373x = 117,619,929,801,979,648
  5. Step 5: Solve for x
    x = 117,619,929,801,979,648/156,158,373
  6. Step 6: Final answer
    x = 753,209,242.27

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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.