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Finding the Third Proportional to 21,361,747 and 45,908,450

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Solution

The third proportional to 21,361,747 and 45,908,450 is: 98,661,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361,747 : 45,908,450 = 45,908,450 : x
  2. Step 2: Convert to fraction form
    21,361,747/45,908,450 = 45,908,450/x
  3. Step 3: Cross multiply
    21,361,747x = 45,908,450 × 45,908,450
  4. Step 4: Simplify right side
    21,361,747x = 2,107,585,781,402,500
  5. Step 5: Solve for x
    x = 2,107,585,781,402,500/21,361,747
  6. Step 6: Final answer
    x = 98,661,676.94

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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.