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Finding the Third Proportional to 623,859 and 1,277,280

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Solution

The third proportional to 623,859 and 1,277,280 is: 2,615,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,859 : 1,277,280 = 1,277,280 : x
  2. Step 2: Convert to fraction form
    623,859/1,277,280 = 1,277,280/x
  3. Step 3: Cross multiply
    623,859x = 1,277,280 × 1,277,280
  4. Step 4: Simplify right side
    623,859x = 1,631,444,198,400
  5. Step 5: Solve for x
    x = 1,631,444,198,400/623,859
  6. Step 6: Final answer
    x = 2,615,084.82

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.