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Finding the Third Proportional to 3,230,779 and 7,048,321

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Solution

The third proportional to 3,230,779 and 7,048,321 is: 15,376,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,779 : 7,048,321 = 7,048,321 : x
  2. Step 2: Convert to fraction form
    3,230,779/7,048,321 = 7,048,321/x
  3. Step 3: Cross multiply
    3,230,779x = 7,048,321 × 7,048,321
  4. Step 4: Simplify right side
    3,230,779x = 49,678,828,919,041
  5. Step 5: Solve for x
    x = 49,678,828,919,041/3,230,779
  6. Step 6: Final answer
    x = 15,376,733.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.