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Finding the Third Proportional to 368,799 and 556,590

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Solution

The third proportional to 368,799 and 556,590 is: 840,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,799 : 556,590 = 556,590 : x
  2. Step 2: Convert to fraction form
    368,799/556,590 = 556,590/x
  3. Step 3: Cross multiply
    368,799x = 556,590 × 556,590
  4. Step 4: Simplify right side
    368,799x = 309,792,428,100
  5. Step 5: Solve for x
    x = 309,792,428,100/368,799
  6. Step 6: Final answer
    x = 840,003.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.