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Finding the Third Proportional to 28,070.30 and 61,330.92

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Solution

The third proportional to 28,070.30 and 61,330.92 is: 134,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.30 : 61,330.92 = 61,330.92 : x
  2. Step 2: Convert to fraction form
    28,070.30/61,330.92 = 61,330.92/x
  3. Step 3: Cross multiply
    28,070.30x = 61,330.92 × 61,330.92
  4. Step 4: Simplify right side
    28,070.30x = 3,761,481,978.04
  5. Step 5: Solve for x
    x = 3,761,481,978.04/28,070.30
  6. Step 6: Final answer
    x = 134,002.22

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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.