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Finding the Third Proportional to 4,287,092,678 and 9,286,567,488

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Solution

The third proportional to 4,287,092,678 and 9,286,567,488 is: 20,116,275,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,092,678 : 9,286,567,488 = 9,286,567,488 : x
  2. Step 2: Convert to fraction form
    4,287,092,678/9,286,567,488 = 9,286,567,488/x
  3. Step 3: Cross multiply
    4,287,092,678x = 9,286,567,488 × 9,286,567,488
  4. Step 4: Simplify right side
    4,287,092,678x = 86,240,335,709,178,626,048
  5. Step 5: Solve for x
    x = 86,240,335,709,178,626,048/4,287,092,678
  6. Step 6: Final answer
    x = 20,116,275,104.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.