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Finding the Third Proportional to 158,987.63 and 215,893.88

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Solution

The third proportional to 158,987.63 and 215,893.88 is: 293,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,987.63 : 215,893.88 = 215,893.88 : x
  2. Step 2: Convert to fraction form
    158,987.63/215,893.88 = 215,893.88/x
  3. Step 3: Cross multiply
    158,987.63x = 215,893.88 × 215,893.88
  4. Step 4: Simplify right side
    158,987.63x = 46,610,165,262.52
  5. Step 5: Solve for x
    x = 46,610,165,262.52/158,987.63
  6. Step 6: Final answer
    x = 293,168.51

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.