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Finding the Third Proportional to 28,290.94 and 61,655.06

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Solution

The third proportional to 28,290.94 and 61,655.06 is: 134,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.94 : 61,655.06 = 61,655.06 : x
  2. Step 2: Convert to fraction form
    28,290.94/61,655.06 = 61,655.06/x
  3. Step 3: Cross multiply
    28,290.94x = 61,655.06 × 61,655.06
  4. Step 4: Simplify right side
    28,290.94x = 3,801,346,731.88
  5. Step 5: Solve for x
    x = 3,801,346,731.88/28,290.94
  6. Step 6: Final answer
    x = 134,366.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.