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Finding the Third Proportional to 53,208 and 82,332

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Solution

The third proportional to 53,208 and 82,332 is: 127,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208 : 82,332 = 82,332 : x
  2. Step 2: Convert to fraction form
    53,208/82,332 = 82,332/x
  3. Step 3: Cross multiply
    53,208x = 82,332 × 82,332
  4. Step 4: Simplify right side
    53,208x = 6,778,558,224
  5. Step 5: Solve for x
    x = 6,778,558,224/53,208
  6. Step 6: Final answer
    x = 127,397.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.