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Finding the Third Proportional to 28,567.69 and 66,124.69

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Solution

The third proportional to 28,567.69 and 66,124.69 is: 153,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.69 : 66,124.69 = 66,124.69 : x
  2. Step 2: Convert to fraction form
    28,567.69/66,124.69 = 66,124.69/x
  3. Step 3: Cross multiply
    28,567.69x = 66,124.69 × 66,124.69
  4. Step 4: Simplify right side
    28,567.69x = 4,372,474,296.97
  5. Step 5: Solve for x
    x = 4,372,474,296.97/28,567.69
  6. Step 6: Final answer
    x = 153,056.64

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.