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Finding the Third Proportional to 56,813.63 and 84,121.88

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Solution

The third proportional to 56,813.63 and 84,121.88 is: 124,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,813.63 : 84,121.88 = 84,121.88 : x
  2. Step 2: Convert to fraction form
    56,813.63/84,121.88 = 84,121.88/x
  3. Step 3: Cross multiply
    56,813.63x = 84,121.88 × 84,121.88
  4. Step 4: Simplify right side
    56,813.63x = 7,076,489,853.52
  5. Step 5: Solve for x
    x = 7,076,489,853.52/56,813.63
  6. Step 6: Final answer
    x = 124,556.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.