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Finding the Third Proportional to 711,534 and 1,555,800

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Solution

The third proportional to 711,534 and 1,555,800 is: 3,401,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,534 : 1,555,800 = 1,555,800 : x
  2. Step 2: Convert to fraction form
    711,534/1,555,800 = 1,555,800/x
  3. Step 3: Cross multiply
    711,534x = 1,555,800 × 1,555,800
  4. Step 4: Simplify right side
    711,534x = 2,420,513,640,000
  5. Step 5: Solve for x
    x = 2,420,513,640,000/711,534
  6. Step 6: Final answer
    x = 3,401,824.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.