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Finding the Third Proportional to 1,228,509 and 1,859,946.75

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Solution

The third proportional to 1,228,509 and 1,859,946.75 is: 2,815,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,509 : 1,859,946.75 = 1,859,946.75 : x
  2. Step 2: Convert to fraction form
    1,228,509/1,859,946.75 = 1,859,946.75/x
  3. Step 3: Cross multiply
    1,228,509x = 1,859,946.75 × 1,859,946.75
  4. Step 4: Simplify right side
    1,228,509x = 3,459,401,912,835.56
  5. Step 5: Solve for x
    x = 3,459,401,912,835.56/1,228,509
  6. Step 6: Final answer
    x = 2,815,935.34

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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.