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Finding the Third Proportional to 553,104 and 1,206,320

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Solution

The third proportional to 553,104 and 1,206,320 is: 2,630,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,104 : 1,206,320 = 1,206,320 : x
  2. Step 2: Convert to fraction form
    553,104/1,206,320 = 1,206,320/x
  3. Step 3: Cross multiply
    553,104x = 1,206,320 × 1,206,320
  4. Step 4: Simplify right side
    553,104x = 1,455,207,942,400
  5. Step 5: Solve for x
    x = 1,455,207,942,400/553,104
  6. Step 6: Final answer
    x = 2,630,984.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.