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Finding the Third Proportional to 553,111 and 1,206,337

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Solution

The third proportional to 553,111 and 1,206,337 is: 2,631,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,111 : 1,206,337 = 1,206,337 : x
  2. Step 2: Convert to fraction form
    553,111/1,206,337 = 1,206,337/x
  3. Step 3: Cross multiply
    553,111x = 1,206,337 × 1,206,337
  4. Step 4: Simplify right side
    553,111x = 1,455,248,957,569
  5. Step 5: Solve for x
    x = 1,455,248,957,569/553,111
  6. Step 6: Final answer
    x = 2,631,025.16

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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.