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Finding the Third Proportional to 18,602.63 and 28,077

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Solution

The third proportional to 18,602.63 and 28,077 is: 42,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.63 : 28,077 = 28,077 : x
  2. Step 2: Convert to fraction form
    18,602.63/28,077 = 28,077/x
  3. Step 3: Cross multiply
    18,602.63x = 28,077 × 28,077
  4. Step 4: Simplify right side
    18,602.63x = 788,317,929
  5. Step 5: Solve for x
    x = 788,317,929/18,602.63
  6. Step 6: Final answer
    x = 42,376.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.