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Finding the Third Proportional to 1,131,921 and 1,712,463.75

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Solution

The third proportional to 1,131,921 and 1,712,463.75 is: 2,590,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,921 : 1,712,463.75 = 1,712,463.75 : x
  2. Step 2: Convert to fraction form
    1,131,921/1,712,463.75 = 1,712,463.75/x
  3. Step 3: Cross multiply
    1,131,921x = 1,712,463.75 × 1,712,463.75
  4. Step 4: Simplify right side
    1,131,921x = 2,932,532,095,064.06
  5. Step 5: Solve for x
    x = 2,932,532,095,064.06/1,131,921
  6. Step 6: Final answer
    x = 2,590,756.86

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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.