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Finding the Third Proportional to 53,520 and 82,292.50

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Solution

The third proportional to 53,520 and 82,292.50 is: 126,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,520 : 82,292.50 = 82,292.50 : x
  2. Step 2: Convert to fraction form
    53,520/82,292.50 = 82,292.50/x
  3. Step 3: Cross multiply
    53,520x = 82,292.50 × 82,292.50
  4. Step 4: Simplify right side
    53,520x = 6,772,055,556.25
  5. Step 5: Solve for x
    x = 6,772,055,556.25/53,520
  6. Step 6: Final answer
    x = 126,533.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.