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Finding the Third Proportional to 28,073.25 and 61,421.63

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Solution

The third proportional to 28,073.25 and 61,421.63 is: 134,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.25 : 61,421.63 = 61,421.63 : x
  2. Step 2: Convert to fraction form
    28,073.25/61,421.63 = 61,421.63/x
  3. Step 3: Cross multiply
    28,073.25x = 61,421.63 × 61,421.63
  4. Step 4: Simplify right side
    28,073.25x = 3,772,616,017.64
  5. Step 5: Solve for x
    x = 3,772,616,017.64/28,073.25
  6. Step 6: Final answer
    x = 134,384.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.