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Finding the Third Proportional to 74,659,323 and 162,994,989

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Solution

The third proportional to 74,659,323 and 162,994,989 is: 355,847,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659,323 : 162,994,989 = 162,994,989 : x
  2. Step 2: Convert to fraction form
    74,659,323/162,994,989 = 162,994,989/x
  3. Step 3: Cross multiply
    74,659,323x = 162,994,989 × 162,994,989
  4. Step 4: Simplify right side
    74,659,323x = 26,567,366,439,110,120
  5. Step 5: Solve for x
    x = 26,567,366,439,110,120/74,659,323
  6. Step 6: Final answer
    x = 355,847,941.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.