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Finding the Third Proportional to 958,794 and 2,130,420

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Solution

The third proportional to 958,794 and 2,130,420 is: 4,733,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,794 : 2,130,420 = 2,130,420 : x
  2. Step 2: Convert to fraction form
    958,794/2,130,420 = 2,130,420/x
  3. Step 3: Cross multiply
    958,794x = 2,130,420 × 2,130,420
  4. Step 4: Simplify right side
    958,794x = 4,538,689,376,400
  5. Step 5: Solve for x
    x = 4,538,689,376,400/958,794
  6. Step 6: Final answer
    x = 4,733,748.20

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.