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Finding the Third Proportional to 554,880 and 1,178,880

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Solution

The third proportional to 554,880 and 1,178,880 is: 2,504,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,880 : 1,178,880 = 1,178,880 : x
  2. Step 2: Convert to fraction form
    554,880/1,178,880 = 1,178,880/x
  3. Step 3: Cross multiply
    554,880x = 1,178,880 × 1,178,880
  4. Step 4: Simplify right side
    554,880x = 1,389,758,054,400
  5. Step 5: Solve for x
    x = 1,389,758,054,400/554,880
  6. Step 6: Final answer
    x = 2,504,610.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.