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Finding the Third Proportional to 4,486,790 and 6,960,658

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Solution

The third proportional to 4,486,790 and 6,960,658 is: 10,798,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,790 : 6,960,658 = 6,960,658 : x
  2. Step 2: Convert to fraction form
    4,486,790/6,960,658 = 6,960,658/x
  3. Step 3: Cross multiply
    4,486,790x = 6,960,658 × 6,960,658
  4. Step 4: Simplify right side
    4,486,790x = 48,450,759,792,964
  5. Step 5: Solve for x
    x = 48,450,759,792,964/4,486,790
  6. Step 6: Final answer
    x = 10,798,535.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.