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Finding the Third Proportional to 858,159 and 1,887,705

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Solution

The third proportional to 858,159 and 1,887,705 is: 4,152,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,159 : 1,887,705 = 1,887,705 : x
  2. Step 2: Convert to fraction form
    858,159/1,887,705 = 1,887,705/x
  3. Step 3: Cross multiply
    858,159x = 1,887,705 × 1,887,705
  4. Step 4: Simplify right side
    858,159x = 3,563,430,167,025
  5. Step 5: Solve for x
    x = 3,563,430,167,025/858,159
  6. Step 6: Final answer
    x = 4,152,412.51

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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.