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Finding the Third Proportional to 145,448 and 222,396

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Solution

The third proportional to 145,448 and 222,396 is: 340,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,448 : 222,396 = 222,396 : x
  2. Step 2: Convert to fraction form
    145,448/222,396 = 222,396/x
  3. Step 3: Cross multiply
    145,448x = 222,396 × 222,396
  4. Step 4: Simplify right side
    145,448x = 49,459,980,816
  5. Step 5: Solve for x
    x = 49,459,980,816/145,448
  6. Step 6: Final answer
    x = 340,052.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.