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Finding the Third Proportional to 646,834 and 1,360,692

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Solution

The third proportional to 646,834 and 1,360,692 is: 2,862,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,834 : 1,360,692 = 1,360,692 : x
  2. Step 2: Convert to fraction form
    646,834/1,360,692 = 1,360,692/x
  3. Step 3: Cross multiply
    646,834x = 1,360,692 × 1,360,692
  4. Step 4: Simplify right side
    646,834x = 1,851,482,718,864
  5. Step 5: Solve for x
    x = 1,851,482,718,864/646,834
  6. Step 6: Final answer
    x = 2,862,376.93

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.