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Finding the Third Proportional to 1,102,792.50 and 1,686,631

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Solution

The third proportional to 1,102,792.50 and 1,686,631 is: 2,579,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,792.50 : 1,686,631 = 1,686,631 : x
  2. Step 2: Convert to fraction form
    1,102,792.50/1,686,631 = 1,686,631/x
  3. Step 3: Cross multiply
    1,102,792.50x = 1,686,631 × 1,686,631
  4. Step 4: Simplify right side
    1,102,792.50x = 2,844,724,130,161
  5. Step 5: Solve for x
    x = 2,844,724,130,161/1,102,792.50
  6. Step 6: Final answer
    x = 2,579,564.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.