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Finding the Third Proportional to 822,608 and 1,271,252.50

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Solution

The third proportional to 822,608 and 1,271,252.50 is: 1,964,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,608 : 1,271,252.50 = 1,271,252.50 : x
  2. Step 2: Convert to fraction form
    822,608/1,271,252.50 = 1,271,252.50/x
  3. Step 3: Cross multiply
    822,608x = 1,271,252.50 × 1,271,252.50
  4. Step 4: Simplify right side
    822,608x = 1,616,082,918,756.25
  5. Step 5: Solve for x
    x = 1,616,082,918,756.25/822,608
  6. Step 6: Final answer
    x = 1,964,584.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.