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Finding the Third Proportional to 670,373 and 937,720

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Solution

The third proportional to 670,373 and 937,720 is: 1,311,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,373 : 937,720 = 937,720 : x
  2. Step 2: Convert to fraction form
    670,373/937,720 = 937,720/x
  3. Step 3: Cross multiply
    670,373x = 937,720 × 937,720
  4. Step 4: Simplify right side
    670,373x = 879,318,798,400
  5. Step 5: Solve for x
    x = 879,318,798,400/670,373
  6. Step 6: Final answer
    x = 1,311,685.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.