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Finding the Third Proportional to 21,946 and 35,655

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Solution

The third proportional to 21,946 and 35,655 is: 57,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946 : 35,655 = 35,655 : x
  2. Step 2: Convert to fraction form
    21,946/35,655 = 35,655/x
  3. Step 3: Cross multiply
    21,946x = 35,655 × 35,655
  4. Step 4: Simplify right side
    21,946x = 1,271,279,025
  5. Step 5: Solve for x
    x = 1,271,279,025/21,946
  6. Step 6: Final answer
    x = 57,927.60

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.