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Finding the Third Proportional to 156,619,034 and 343,355,820

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Solution

The third proportional to 156,619,034 and 343,355,820 is: 752,738,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619,034 : 343,355,820 = 343,355,820 : x
  2. Step 2: Convert to fraction form
    156,619,034/343,355,820 = 343,355,820/x
  3. Step 3: Cross multiply
    156,619,034x = 343,355,820 × 343,355,820
  4. Step 4: Simplify right side
    156,619,034x = 117,893,219,127,872,400
  5. Step 5: Solve for x
    x = 117,893,219,127,872,400/156,619,034
  6. Step 6: Final answer
    x = 752,738,770.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.