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Finding the Third Proportional to 553,578 and 1,210,554

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Solution

The third proportional to 553,578 and 1,210,554 is: 2,647,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,578 : 1,210,554 = 1,210,554 : x
  2. Step 2: Convert to fraction form
    553,578/1,210,554 = 1,210,554/x
  3. Step 3: Cross multiply
    553,578x = 1,210,554 × 1,210,554
  4. Step 4: Simplify right side
    553,578x = 1,465,440,986,916
  5. Step 5: Solve for x
    x = 1,465,440,986,916/553,578
  6. Step 6: Final answer
    x = 2,647,216.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.