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Finding the Third Proportional to 282,782 and 609,843

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Solution

The third proportional to 282,782 and 609,843 is: 1,315,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,782 : 609,843 = 609,843 : x
  2. Step 2: Convert to fraction form
    282,782/609,843 = 609,843/x
  3. Step 3: Cross multiply
    282,782x = 609,843 × 609,843
  4. Step 4: Simplify right side
    282,782x = 371,908,484,649
  5. Step 5: Solve for x
    x = 371,908,484,649/282,782
  6. Step 6: Final answer
    x = 1,315,177.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.