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Finding the Third Proportional to 35,208 and 53,460

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Solution

The third proportional to 35,208 and 53,460 is: 81,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208 : 53,460 = 53,460 : x
  2. Step 2: Convert to fraction form
    35,208/53,460 = 53,460/x
  3. Step 3: Cross multiply
    35,208x = 53,460 × 53,460
  4. Step 4: Simplify right side
    35,208x = 2,857,971,600
  5. Step 5: Solve for x
    x = 2,857,971,600/35,208
  6. Step 6: Final answer
    x = 81,173.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.