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Finding the Third Proportional to 958,668 and 2,106,513

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Solution

The third proportional to 958,668 and 2,106,513 is: 4,628,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,668 : 2,106,513 = 2,106,513 : x
  2. Step 2: Convert to fraction form
    958,668/2,106,513 = 2,106,513/x
  3. Step 3: Cross multiply
    958,668x = 2,106,513 × 2,106,513
  4. Step 4: Simplify right side
    958,668x = 4,437,397,019,169
  5. Step 5: Solve for x
    x = 4,437,397,019,169/958,668
  6. Step 6: Final answer
    x = 4,628,710.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.