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Finding the Third Proportional to 57,152 and 83,492

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Solution

The third proportional to 57,152 and 83,492 is: 121,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152 : 83,492 = 83,492 : x
  2. Step 2: Convert to fraction form
    57,152/83,492 = 83,492/x
  3. Step 3: Cross multiply
    57,152x = 83,492 × 83,492
  4. Step 4: Simplify right side
    57,152x = 6,970,914,064
  5. Step 5: Solve for x
    x = 6,970,914,064/57,152
  6. Step 6: Final answer
    x = 121,971.48

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.