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Finding the Third Proportional to 255,626 and 537,687

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Solution

The third proportional to 255,626 and 537,687 is: 1,130,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,626 : 537,687 = 537,687 : x
  2. Step 2: Convert to fraction form
    255,626/537,687 = 537,687/x
  3. Step 3: Cross multiply
    255,626x = 537,687 × 537,687
  4. Step 4: Simplify right side
    255,626x = 289,107,309,969
  5. Step 5: Solve for x
    x = 289,107,309,969/255,626
  6. Step 6: Final answer
    x = 1,130,977.72

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.