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Finding the Third Proportional to 15,063.75 and 21,903.75

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Solution

The third proportional to 15,063.75 and 21,903.75 is: 31,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.75 : 21,903.75 = 21,903.75 : x
  2. Step 2: Convert to fraction form
    15,063.75/21,903.75 = 21,903.75/x
  3. Step 3: Cross multiply
    15,063.75x = 21,903.75 × 21,903.75
  4. Step 4: Simplify right side
    15,063.75x = 479,774,264.06
  5. Step 5: Solve for x
    x = 479,774,264.06/15,063.75
  6. Step 6: Final answer
    x = 31,849.59

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.