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Finding the Third Proportional to 15,360 and 23,200.50

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Solution

The third proportional to 15,360 and 23,200.50 is: 35,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360 : 23,200.50 = 23,200.50 : x
  2. Step 2: Convert to fraction form
    15,360/23,200.50 = 23,200.50/x
  3. Step 3: Cross multiply
    15,360x = 23,200.50 × 23,200.50
  4. Step 4: Simplify right side
    15,360x = 538,263,200.25
  5. Step 5: Solve for x
    x = 538,263,200.25/15,360
  6. Step 6: Final answer
    x = 35,043.18

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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.