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Finding the Third Proportional to 74,493,660 and 162,838,968

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Solution

The third proportional to 74,493,660 and 162,838,968 is: 355,956,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493,660 : 162,838,968 = 162,838,968 : x
  2. Step 2: Convert to fraction form
    74,493,660/162,838,968 = 162,838,968/x
  3. Step 3: Cross multiply
    74,493,660x = 162,838,968 × 162,838,968
  4. Step 4: Simplify right side
    74,493,660x = 26,516,529,499,305,024
  5. Step 5: Solve for x
    x = 26,516,529,499,305,024/74,493,660
  6. Step 6: Final answer
    x = 355,956,862.63

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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.