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Finding the Third Proportional to 53,400 and 112,560

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Solution

The third proportional to 53,400 and 112,560 is: 237,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,400 : 112,560 = 112,560 : x
  2. Step 2: Convert to fraction form
    53,400/112,560 = 112,560/x
  3. Step 3: Cross multiply
    53,400x = 112,560 × 112,560
  4. Step 4: Simplify right side
    53,400x = 12,669,753,600
  5. Step 5: Solve for x
    x = 12,669,753,600/53,400
  6. Step 6: Final answer
    x = 237,261.30

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.