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Finding the Third Proportional to 42,246.56 and 90,490.08

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Solution

The third proportional to 42,246.56 and 90,490.08 is: 193,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246.56 : 90,490.08 = 90,490.08 : x
  2. Step 2: Convert to fraction form
    42,246.56/90,490.08 = 90,490.08/x
  3. Step 3: Cross multiply
    42,246.56x = 90,490.08 × 90,490.08
  4. Step 4: Simplify right side
    42,246.56x = 8,188,454,239.07
  5. Step 5: Solve for x
    x = 8,188,454,239.07/42,246.56
  6. Step 6: Final answer
    x = 193,825.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.