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Finding the Third Proportional to 42,138 and 92,750.63

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Solution

The third proportional to 42,138 and 92,750.63 is: 204,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138 : 92,750.63 = 92,750.63 : x
  2. Step 2: Convert to fraction form
    42,138/92,750.63 = 92,750.63/x
  3. Step 3: Cross multiply
    42,138x = 92,750.63 × 92,750.63
  4. Step 4: Simplify right side
    42,138x = 8,602,678,437.89
  5. Step 5: Solve for x
    x = 8,602,678,437.89/42,138
  6. Step 6: Final answer
    x = 204,154.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.