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Finding the Third Proportional to 553,582 and 827,488

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Solution

The third proportional to 553,582 and 827,488 is: 1,236,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,582 : 827,488 = 827,488 : x
  2. Step 2: Convert to fraction form
    553,582/827,488 = 827,488/x
  3. Step 3: Cross multiply
    553,582x = 827,488 × 827,488
  4. Step 4: Simplify right side
    553,582x = 684,736,390,144
  5. Step 5: Solve for x
    x = 684,736,390,144/553,582
  6. Step 6: Final answer
    x = 1,236,919.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.