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Finding the Third Proportional to 74,124 and 157,968

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Solution

The third proportional to 74,124 and 157,968 is: 336,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124 : 157,968 = 157,968 : x
  2. Step 2: Convert to fraction form
    74,124/157,968 = 157,968/x
  3. Step 3: Cross multiply
    74,124x = 157,968 × 157,968
  4. Step 4: Simplify right side
    74,124x = 24,953,889,024
  5. Step 5: Solve for x
    x = 24,953,889,024/74,124
  6. Step 6: Final answer
    x = 336,650.60

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.