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Finding the Third Proportional to 879,453 and 1,393,705

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Solution

The third proportional to 879,453 and 1,393,705 is: 2,208,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,453 : 1,393,705 = 1,393,705 : x
  2. Step 2: Convert to fraction form
    879,453/1,393,705 = 1,393,705/x
  3. Step 3: Cross multiply
    879,453x = 1,393,705 × 1,393,705
  4. Step 4: Simplify right side
    879,453x = 1,942,413,627,025
  5. Step 5: Solve for x
    x = 1,942,413,627,025/879,453
  6. Step 6: Final answer
    x = 2,208,661.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.