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Finding the Third Proportional to 553,556 and 1,172,722

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Solution

The third proportional to 553,556 and 1,172,722 is: 2,484,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,556 : 1,172,722 = 1,172,722 : x
  2. Step 2: Convert to fraction form
    553,556/1,172,722 = 1,172,722/x
  3. Step 3: Cross multiply
    553,556x = 1,172,722 × 1,172,722
  4. Step 4: Simplify right side
    553,556x = 1,375,276,889,284
  5. Step 5: Solve for x
    x = 1,375,276,889,284/553,556
  6. Step 6: Final answer
    x = 2,484,440.40

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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.