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Finding the Third Proportional to 1,069,861.50 and 2,331,639

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Solution

The third proportional to 1,069,861.50 and 2,331,639 is: 5,081,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,861.50 : 2,331,639 = 2,331,639 : x
  2. Step 2: Convert to fraction form
    1,069,861.50/2,331,639 = 2,331,639/x
  3. Step 3: Cross multiply
    1,069,861.50x = 2,331,639 × 2,331,639
  4. Step 4: Simplify right side
    1,069,861.50x = 5,436,540,426,321
  5. Step 5: Solve for x
    x = 5,436,540,426,321/1,069,861.50
  6. Step 6: Final answer
    x = 5,081,536.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.