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Finding the Third Proportional to 340,680 and 716,671

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Solution

The third proportional to 340,680 and 716,671 is: 1,507,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,680 : 716,671 = 716,671 : x
  2. Step 2: Convert to fraction form
    340,680/716,671 = 716,671/x
  3. Step 3: Cross multiply
    340,680x = 716,671 × 716,671
  4. Step 4: Simplify right side
    340,680x = 513,617,322,241
  5. Step 5: Solve for x
    x = 513,617,322,241/340,680
  6. Step 6: Final answer
    x = 1,507,623.94

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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.