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Finding the Third Proportional to 771,203 and 1,721,254

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Solution

The third proportional to 771,203 and 1,721,254 is: 3,841,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,203 : 1,721,254 = 1,721,254 : x
  2. Step 2: Convert to fraction form
    771,203/1,721,254 = 1,721,254/x
  3. Step 3: Cross multiply
    771,203x = 1,721,254 × 1,721,254
  4. Step 4: Simplify right side
    771,203x = 2,962,715,332,516
  5. Step 5: Solve for x
    x = 2,962,715,332,516/771,203
  6. Step 6: Final answer
    x = 3,841,680.25

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.