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Finding the Third Proportional to 15,961.50 and 25,263

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Solution

The third proportional to 15,961.50 and 25,263 is: 39,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.50 : 25,263 = 25,263 : x
  2. Step 2: Convert to fraction form
    15,961.50/25,263 = 25,263/x
  3. Step 3: Cross multiply
    15,961.50x = 25,263 × 25,263
  4. Step 4: Simplify right side
    15,961.50x = 638,219,169
  5. Step 5: Solve for x
    x = 638,219,169/15,961.50
  6. Step 6: Final answer
    x = 39,984.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.