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Finding the Third Proportional to 858,605 and 1,864,701

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Solution

The third proportional to 858,605 and 1,864,701 is: 4,049,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,605 : 1,864,701 = 1,864,701 : x
  2. Step 2: Convert to fraction form
    858,605/1,864,701 = 1,864,701/x
  3. Step 3: Cross multiply
    858,605x = 1,864,701 × 1,864,701
  4. Step 4: Simplify right side
    858,605x = 3,477,109,819,401
  5. Step 5: Solve for x
    x = 3,477,109,819,401/858,605
  6. Step 6: Final answer
    x = 4,049,719.98

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.