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Finding the Third Proportional to 875,490 and 1,917,060.75

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Solution

The third proportional to 875,490 and 1,917,060.75 is: 4,197,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,490 : 1,917,060.75 = 1,917,060.75 : x
  2. Step 2: Convert to fraction form
    875,490/1,917,060.75 = 1,917,060.75/x
  3. Step 3: Cross multiply
    875,490x = 1,917,060.75 × 1,917,060.75
  4. Step 4: Simplify right side
    875,490x = 3,675,121,919,190.56
  5. Step 5: Solve for x
    x = 3,675,121,919,190.56/875,490
  6. Step 6: Final answer
    x = 4,197,788.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.