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Finding the Third Proportional to 858,454 and 1,849,761

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Solution

The third proportional to 858,454 and 1,849,761 is: 3,985,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,454 : 1,849,761 = 1,849,761 : x
  2. Step 2: Convert to fraction form
    858,454/1,849,761 = 1,849,761/x
  3. Step 3: Cross multiply
    858,454x = 1,849,761 × 1,849,761
  4. Step 4: Simplify right side
    858,454x = 3,421,615,757,121
  5. Step 5: Solve for x
    x = 3,421,615,757,121/858,454
  6. Step 6: Final answer
    x = 3,985,788.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.