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Finding the Third Proportional to 21,389,630 and 46,188,448

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Solution

The third proportional to 21,389,630 and 46,188,448 is: 99,738,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,630 : 46,188,448 = 46,188,448 : x
  2. Step 2: Convert to fraction form
    21,389,630/46,188,448 = 46,188,448/x
  3. Step 3: Cross multiply
    21,389,630x = 46,188,448 × 46,188,448
  4. Step 4: Simplify right side
    21,389,630x = 2,133,372,728,648,704
  5. Step 5: Solve for x
    x = 2,133,372,728,648,704/21,389,630
  6. Step 6: Final answer
    x = 99,738,645.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.