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Finding the Third Proportional to 405,583 and 938,894

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Solution

The third proportional to 405,583 and 938,894 is: 2,173,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,583 : 938,894 = 938,894 : x
  2. Step 2: Convert to fraction form
    405,583/938,894 = 938,894/x
  3. Step 3: Cross multiply
    405,583x = 938,894 × 938,894
  4. Step 4: Simplify right side
    405,583x = 881,521,943,236
  5. Step 5: Solve for x
    x = 881,521,943,236/405,583
  6. Step 6: Final answer
    x = 2,173,468.67

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.