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Finding the Third Proportional to 254,565 and 377,439.75

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Solution

The third proportional to 254,565 and 377,439.75 is: 559,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,565 : 377,439.75 = 377,439.75 : x
  2. Step 2: Convert to fraction form
    254,565/377,439.75 = 377,439.75/x
  3. Step 3: Cross multiply
    254,565x = 377,439.75 × 377,439.75
  4. Step 4: Simplify right side
    254,565x = 142,460,764,880.06
  5. Step 5: Solve for x
    x = 142,460,764,880.06/254,565
  6. Step 6: Final answer
    x = 559,624.32

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.