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Finding the Third Proportional to 626,679 and 1,286,541

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Solution

The third proportional to 626,679 and 1,286,541 is: 2,641,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,679 : 1,286,541 = 1,286,541 : x
  2. Step 2: Convert to fraction form
    626,679/1,286,541 = 1,286,541/x
  3. Step 3: Cross multiply
    626,679x = 1,286,541 × 1,286,541
  4. Step 4: Simplify right side
    626,679x = 1,655,187,744,681
  5. Step 5: Solve for x
    x = 1,655,187,744,681/626,679
  6. Step 6: Final answer
    x = 2,641,205.06

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.