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Finding the Third Proportional to 40,270 and 59,219

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Solution

The third proportional to 40,270 and 59,219 is: 87,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270 : 59,219 = 59,219 : x
  2. Step 2: Convert to fraction form
    40,270/59,219 = 59,219/x
  3. Step 3: Cross multiply
    40,270x = 59,219 × 59,219
  4. Step 4: Simplify right side
    40,270x = 3,506,889,961
  5. Step 5: Solve for x
    x = 3,506,889,961/40,270
  6. Step 6: Final answer
    x = 87,084.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.