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Finding the Third Proportional to 9,929,886 and 15,183,639

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Solution

The third proportional to 9,929,886 and 15,183,639 is: 23,217,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,886 : 15,183,639 = 15,183,639 : x
  2. Step 2: Convert to fraction form
    9,929,886/15,183,639 = 15,183,639/x
  3. Step 3: Cross multiply
    9,929,886x = 15,183,639 × 15,183,639
  4. Step 4: Simplify right side
    9,929,886x = 230,542,893,282,321
  5. Step 5: Solve for x
    x = 230,542,893,282,321/9,929,886
  6. Step 6: Final answer
    x = 23,217,073.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.