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Finding the Third Proportional to 72,946 and 157,052

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Solution

The third proportional to 72,946 and 157,052 is: 338,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,946 : 157,052 = 157,052 : x
  2. Step 2: Convert to fraction form
    72,946/157,052 = 157,052/x
  3. Step 3: Cross multiply
    72,946x = 157,052 × 157,052
  4. Step 4: Simplify right side
    72,946x = 24,665,330,704
  5. Step 5: Solve for x
    x = 24,665,330,704/72,946
  6. Step 6: Final answer
    x = 338,131.37

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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.