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Finding the Third Proportional to 1,230,620.34 and 1,862,902.55

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Solution

The third proportional to 1,230,620.34 and 1,862,902.55 is: 2,820,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,620.34 : 1,862,902.55 = 1,862,902.55 : x
  2. Step 2: Convert to fraction form
    1,230,620.34/1,862,902.55 = 1,862,902.55/x
  3. Step 3: Cross multiply
    1,230,620.34x = 1,862,902.55 × 1,862,902.55
  4. Step 4: Simplify right side
    1,230,620.34x = 3,470,405,899,153.36
  5. Step 5: Solve for x
    x = 3,470,405,899,153.36/1,230,620.34
  6. Step 6: Final answer
    x = 2,820,045.94

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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.