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Finding the Third Proportional to 759,378 and 1,670,340

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Solution

The third proportional to 759,378 and 1,670,340 is: 3,674,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,378 : 1,670,340 = 1,670,340 : x
  2. Step 2: Convert to fraction form
    759,378/1,670,340 = 1,670,340/x
  3. Step 3: Cross multiply
    759,378x = 1,670,340 × 1,670,340
  4. Step 4: Simplify right side
    759,378x = 2,790,035,715,600
  5. Step 5: Solve for x
    x = 2,790,035,715,600/759,378
  6. Step 6: Final answer
    x = 3,674,106.59

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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.