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Finding the Third Proportional to 1,772,518.50 and 2,749,821.75

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Solution

The third proportional to 1,772,518.50 and 2,749,821.75 is: 4,265,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,518.50 : 2,749,821.75 = 2,749,821.75 : x
  2. Step 2: Convert to fraction form
    1,772,518.50/2,749,821.75 = 2,749,821.75/x
  3. Step 3: Cross multiply
    1,772,518.50x = 2,749,821.75 × 2,749,821.75
  4. Step 4: Simplify right side
    1,772,518.50x = 7,561,519,656,773.06
  5. Step 5: Solve for x
    x = 7,561,519,656,773.06/1,772,518.50
  6. Step 6: Final answer
    x = 4,265,975.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.