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Finding the Third Proportional to 28,820.63 and 61,946.63

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Solution

The third proportional to 28,820.63 and 61,946.63 is: 133,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.63 : 61,946.63 = 61,946.63 : x
  2. Step 2: Convert to fraction form
    28,820.63/61,946.63 = 61,946.63/x
  3. Step 3: Cross multiply
    28,820.63x = 61,946.63 × 61,946.63
  4. Step 4: Simplify right side
    28,820.63x = 3,837,384,348.89
  5. Step 5: Solve for x
    x = 3,837,384,348.89/28,820.63
  6. Step 6: Final answer
    x = 133,147.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.