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Finding the Third Proportional to 110,918,157 and 239,373,621

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Solution

The third proportional to 110,918,157 and 239,373,621 is: 516,594,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,918,157 : 239,373,621 = 239,373,621 : x
  2. Step 2: Convert to fraction form
    110,918,157/239,373,621 = 239,373,621/x
  3. Step 3: Cross multiply
    110,918,157x = 239,373,621 × 239,373,621
  4. Step 4: Simplify right side
    110,918,157x = 57,299,730,430,651,640
  5. Step 5: Solve for x
    x = 57,299,730,430,651,640/110,918,157
  6. Step 6: Final answer
    x = 516,594,685.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.