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Finding the Third Proportional to 63,307.88 and 135,089.44

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Solution

The third proportional to 63,307.88 and 135,089.44 is: 288,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,307.88 : 135,089.44 = 135,089.44 : x
  2. Step 2: Convert to fraction form
    63,307.88/135,089.44 = 135,089.44/x
  3. Step 3: Cross multiply
    63,307.88x = 135,089.44 × 135,089.44
  4. Step 4: Simplify right side
    63,307.88x = 18,249,156,124.07
  5. Step 5: Solve for x
    x = 18,249,156,124.07/63,307.88
  6. Step 6: Final answer
    x = 288,260.44

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.