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Finding the Third Proportional to 1,210,755.94 and 2,657,667.38

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Solution

The third proportional to 1,210,755.94 and 2,657,667.38 is: 5,833,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,755.94 : 2,657,667.38 = 2,657,667.38 : x
  2. Step 2: Convert to fraction form
    1,210,755.94/2,657,667.38 = 2,657,667.38/x
  3. Step 3: Cross multiply
    1,210,755.94x = 2,657,667.38 × 2,657,667.38
  4. Step 4: Simplify right side
    1,210,755.94x = 7,063,195,876,139.39
  5. Step 5: Solve for x
    x = 7,063,195,876,139.39/1,210,755.94
  6. Step 6: Final answer
    x = 5,833,707.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.