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Finding the Third Proportional to 858,456 and 1,849,765

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Solution

The third proportional to 858,456 and 1,849,765 is: 3,985,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,456 : 1,849,765 = 1,849,765 : x
  2. Step 2: Convert to fraction form
    858,456/1,849,765 = 1,849,765/x
  3. Step 3: Cross multiply
    858,456x = 1,849,765 × 1,849,765
  4. Step 4: Simplify right side
    858,456x = 3,421,630,555,225
  5. Step 5: Solve for x
    x = 3,421,630,555,225/858,456
  6. Step 6: Final answer
    x = 3,985,796.07

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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.