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Finding the Third Proportional to 551,620 and 1,190,365

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Solution

The third proportional to 551,620 and 1,190,365 is: 2,568,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,620 : 1,190,365 = 1,190,365 : x
  2. Step 2: Convert to fraction form
    551,620/1,190,365 = 1,190,365/x
  3. Step 3: Cross multiply
    551,620x = 1,190,365 × 1,190,365
  4. Step 4: Simplify right side
    551,620x = 1,416,968,833,225
  5. Step 5: Solve for x
    x = 1,416,968,833,225/551,620
  6. Step 6: Final answer
    x = 2,568,740.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.