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Finding the Third Proportional to 1,230,604.31 and 1,862,890.31

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Solution

The third proportional to 1,230,604.31 and 1,862,890.31 is: 2,820,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,604.31 : 1,862,890.31 = 1,862,890.31 : x
  2. Step 2: Convert to fraction form
    1,230,604.31/1,862,890.31 = 1,862,890.31/x
  3. Step 3: Cross multiply
    1,230,604.31x = 1,862,890.31 × 1,862,890.31
  4. Step 4: Simplify right side
    1,230,604.31x = 3,470,360,316,406.35
  5. Step 5: Solve for x
    x = 3,470,360,316,406.35/1,230,604.31
  6. Step 6: Final answer
    x = 2,820,045.63

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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.