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Finding the Third Proportional to 670,218 and 937,530

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Solution

The third proportional to 670,218 and 937,530 is: 1,311,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,218 : 937,530 = 937,530 : x
  2. Step 2: Convert to fraction form
    670,218/937,530 = 937,530/x
  3. Step 3: Cross multiply
    670,218x = 937,530 × 937,530
  4. Step 4: Simplify right side
    670,218x = 878,962,500,900
  5. Step 5: Solve for x
    x = 878,962,500,900/670,218
  6. Step 6: Final answer
    x = 1,311,457.62

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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.