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Finding the Third Proportional to 15,585.50 and 33,360

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Solution

The third proportional to 15,585.50 and 33,360 is: 71,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.50 : 33,360 = 33,360 : x
  2. Step 2: Convert to fraction form
    15,585.50/33,360 = 33,360/x
  3. Step 3: Cross multiply
    15,585.50x = 33,360 × 33,360
  4. Step 4: Simplify right side
    15,585.50x = 1,112,889,600
  5. Step 5: Solve for x
    x = 1,112,889,600/15,585.50
  6. Step 6: Final answer
    x = 71,405.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.