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Finding the Third Proportional to 4,553,932 and 9,783,220

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Solution

The third proportional to 4,553,932 and 9,783,220 is: 21,017,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553,932 : 9,783,220 = 9,783,220 : x
  2. Step 2: Convert to fraction form
    4,553,932/9,783,220 = 9,783,220/x
  3. Step 3: Cross multiply
    4,553,932x = 9,783,220 × 9,783,220
  4. Step 4: Simplify right side
    4,553,932x = 95,711,393,568,400
  5. Step 5: Solve for x
    x = 95,711,393,568,400/4,553,932
  6. Step 6: Final answer
    x = 21,017,308.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.