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Finding the Third Proportional to 3,132,378 and 4,984,278

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Solution

The third proportional to 3,132,378 and 4,984,278 is: 7,931,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,378 : 4,984,278 = 4,984,278 : x
  2. Step 2: Convert to fraction form
    3,132,378/4,984,278 = 4,984,278/x
  3. Step 3: Cross multiply
    3,132,378x = 4,984,278 × 4,984,278
  4. Step 4: Simplify right side
    3,132,378x = 24,843,027,181,284
  5. Step 5: Solve for x
    x = 24,843,027,181,284/3,132,378
  6. Step 6: Final answer
    x = 7,931,043.82

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.