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Finding the Third Proportional to 455,290.88 and 983,519.72

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Solution

The third proportional to 455,290.88 and 983,519.72 is: 2,124,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,290.88 : 983,519.72 = 983,519.72 : x
  2. Step 2: Convert to fraction form
    455,290.88/983,519.72 = 983,519.72/x
  3. Step 3: Cross multiply
    455,290.88x = 983,519.72 × 983,519.72
  4. Step 4: Simplify right side
    455,290.88x = 967,311,037,170.08
  5. Step 5: Solve for x
    x = 967,311,037,170.08/455,290.88
  6. Step 6: Final answer
    x = 2,124,600.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.