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Finding the Third Proportional to 34,643 and 52,278

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Solution

The third proportional to 34,643 and 52,278 is: 78,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643 : 52,278 = 52,278 : x
  2. Step 2: Convert to fraction form
    34,643/52,278 = 52,278/x
  3. Step 3: Cross multiply
    34,643x = 52,278 × 52,278
  4. Step 4: Simplify right side
    34,643x = 2,732,989,284
  5. Step 5: Solve for x
    x = 2,732,989,284/34,643
  6. Step 6: Final answer
    x = 78,890.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.