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Finding the Third Proportional to 3,115,784 and 6,792,720

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Solution

The third proportional to 3,115,784 and 6,792,720 is: 14,808,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,784 : 6,792,720 = 6,792,720 : x
  2. Step 2: Convert to fraction form
    3,115,784/6,792,720 = 6,792,720/x
  3. Step 3: Cross multiply
    3,115,784x = 6,792,720 × 6,792,720
  4. Step 4: Simplify right side
    3,115,784x = 46,141,044,998,400
  5. Step 5: Solve for x
    x = 46,141,044,998,400/3,115,784
  6. Step 6: Final answer
    x = 14,808,807.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.