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Finding the Third Proportional to 8,955,630 and 19,586,742

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Solution

The third proportional to 8,955,630 and 19,586,742 is: 42,837,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,630 : 19,586,742 = 19,586,742 : x
  2. Step 2: Convert to fraction form
    8,955,630/19,586,742 = 19,586,742/x
  3. Step 3: Cross multiply
    8,955,630x = 19,586,742 × 19,586,742
  4. Step 4: Simplify right side
    8,955,630x = 383,640,462,174,564
  5. Step 5: Solve for x
    x = 383,640,462,174,564/8,955,630
  6. Step 6: Final answer
    x = 42,837,908.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.