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Finding the Third Proportional to 25,282.13 and 42,135.19

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Solution

The third proportional to 25,282.13 and 42,135.19 is: 70,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.13 : 42,135.19 = 42,135.19 : x
  2. Step 2: Convert to fraction form
    25,282.13/42,135.19 = 42,135.19/x
  3. Step 3: Cross multiply
    25,282.13x = 42,135.19 × 42,135.19
  4. Step 4: Simplify right side
    25,282.13x = 1,775,374,025.66
  5. Step 5: Solve for x
    x = 1,775,374,025.66/25,282.13
  6. Step 6: Final answer
    x = 70,222.50

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.