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Finding the Third Proportional to 9,899,836 and 15,752,742

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Solution

The third proportional to 9,899,836 and 15,752,742 is: 25,065,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899,836 : 15,752,742 = 15,752,742 : x
  2. Step 2: Convert to fraction form
    9,899,836/15,752,742 = 15,752,742/x
  3. Step 3: Cross multiply
    9,899,836x = 15,752,742 × 15,752,742
  4. Step 4: Simplify right side
    9,899,836x = 248,148,880,518,564
  5. Step 5: Solve for x
    x = 248,148,880,518,564/9,899,836
  6. Step 6: Final answer
    x = 25,065,958.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.