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Finding the Third Proportional to 72,374 and 157,127

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Solution

The third proportional to 72,374 and 157,127 is: 341,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,374 : 157,127 = 157,127 : x
  2. Step 2: Convert to fraction form
    72,374/157,127 = 157,127/x
  3. Step 3: Cross multiply
    72,374x = 157,127 × 157,127
  4. Step 4: Simplify right side
    72,374x = 24,688,894,129
  5. Step 5: Solve for x
    x = 24,688,894,129/72,374
  6. Step 6: Final answer
    x = 341,129.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.