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Finding the Third Proportional to 555,039.56 and 1,213,880.63

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Solution

The third proportional to 555,039.56 and 1,213,880.63 is: 2,654,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,039.56 : 1,213,880.63 = 1,213,880.63 : x
  2. Step 2: Convert to fraction form
    555,039.56/1,213,880.63 = 1,213,880.63/x
  3. Step 3: Cross multiply
    555,039.56x = 1,213,880.63 × 1,213,880.63
  4. Step 4: Simplify right side
    555,039.56x = 1,473,506,171,750.39
  5. Step 5: Solve for x
    x = 1,473,506,171,750.39/555,039.56
  6. Step 6: Final answer
    x = 2,654,776.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.