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Finding the Third Proportional to 620,653.50 and 1,329,876

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Solution

The third proportional to 620,653.50 and 1,329,876 is: 2,849,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,653.50 : 1,329,876 = 1,329,876 : x
  2. Step 2: Convert to fraction form
    620,653.50/1,329,876 = 1,329,876/x
  3. Step 3: Cross multiply
    620,653.50x = 1,329,876 × 1,329,876
  4. Step 4: Simplify right side
    620,653.50x = 1,768,570,175,376
  5. Step 5: Solve for x
    x = 1,768,570,175,376/620,653.50
  6. Step 6: Final answer
    x = 2,849,529.05

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.