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Finding the Third Proportional to 3,218,081.50 and 4,771,430

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Solution

The third proportional to 3,218,081.50 and 4,771,430 is: 7,074,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,081.50 : 4,771,430 = 4,771,430 : x
  2. Step 2: Convert to fraction form
    3,218,081.50/4,771,430 = 4,771,430/x
  3. Step 3: Cross multiply
    3,218,081.50x = 4,771,430 × 4,771,430
  4. Step 4: Simplify right side
    3,218,081.50x = 22,766,544,244,900
  5. Step 5: Solve for x
    x = 22,766,544,244,900/3,218,081.50
  6. Step 6: Final answer
    x = 7,074,570.44

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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.