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Finding the Third Proportional to 447,359.63 and 677,554.88

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Solution

The third proportional to 447,359.63 and 677,554.88 is: 1,026,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,359.63 : 677,554.88 = 677,554.88 : x
  2. Step 2: Convert to fraction form
    447,359.63/677,554.88 = 677,554.88/x
  3. Step 3: Cross multiply
    447,359.63x = 677,554.88 × 677,554.88
  4. Step 4: Simplify right side
    447,359.63x = 459,080,608,636.27
  5. Step 5: Solve for x
    x = 459,080,608,636.27/447,359.63
  6. Step 6: Final answer
    x = 1,026,200.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.