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Finding the Third Proportional to 70,549,129 and 151,909,760

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Solution

The third proportional to 70,549,129 and 151,909,760 is: 327,099,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,549,129 : 151,909,760 = 151,909,760 : x
  2. Step 2: Convert to fraction form
    70,549,129/151,909,760 = 151,909,760/x
  3. Step 3: Cross multiply
    70,549,129x = 151,909,760 × 151,909,760
  4. Step 4: Simplify right side
    70,549,129x = 23,076,575,183,257,600
  5. Step 5: Solve for x
    x = 23,076,575,183,257,600/70,549,129
  6. Step 6: Final answer
    x = 327,099,363.38

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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.