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Finding the Third Proportional to 3,218,012 and 4,771,358

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Solution

The third proportional to 3,218,012 and 4,771,358 is: 7,074,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,012 : 4,771,358 = 4,771,358 : x
  2. Step 2: Convert to fraction form
    3,218,012/4,771,358 = 4,771,358/x
  3. Step 3: Cross multiply
    3,218,012x = 4,771,358 × 4,771,358
  4. Step 4: Simplify right side
    3,218,012x = 22,765,857,164,164
  5. Step 5: Solve for x
    x = 22,765,857,164,164/3,218,012
  6. Step 6: Final answer
    x = 7,074,509.72

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.