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Finding the Third Proportional to 836,690 and 1,722,894

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Solution

The third proportional to 836,690 and 1,722,894 is: 3,547,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,690 : 1,722,894 = 1,722,894 : x
  2. Step 2: Convert to fraction form
    836,690/1,722,894 = 1,722,894/x
  3. Step 3: Cross multiply
    836,690x = 1,722,894 × 1,722,894
  4. Step 4: Simplify right side
    836,690x = 2,968,363,735,236
  5. Step 5: Solve for x
    x = 2,968,363,735,236/836,690
  6. Step 6: Final answer
    x = 3,547,746.16

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.