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Finding the Third Proportional to 1,430,716.88 and 3,109,930.88

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Solution

The third proportional to 1,430,716.88 and 3,109,930.88 is: 6,760,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,716.88 : 3,109,930.88 = 3,109,930.88 : x
  2. Step 2: Convert to fraction form
    1,430,716.88/3,109,930.88 = 3,109,930.88/x
  3. Step 3: Cross multiply
    1,430,716.88x = 3,109,930.88 × 3,109,930.88
  4. Step 4: Simplify right side
    1,430,716.88x = 9,671,670,047,278.27
  5. Step 5: Solve for x
    x = 9,671,670,047,278.27/1,430,716.88
  6. Step 6: Final answer
    x = 6,760,016.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.