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Finding the Third Proportional to 705,515 and 1,551,491

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Solution

The third proportional to 705,515 and 1,551,491 is: 3,411,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,515 : 1,551,491 = 1,551,491 : x
  2. Step 2: Convert to fraction form
    705,515/1,551,491 = 1,551,491/x
  3. Step 3: Cross multiply
    705,515x = 1,551,491 × 1,551,491
  4. Step 4: Simplify right side
    705,515x = 2,407,124,323,081
  5. Step 5: Solve for x
    x = 2,407,124,323,081/705,515
  6. Step 6: Final answer
    x = 3,411,868.38

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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.