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Finding the Third Proportional to 393,602.63 and 626,605.88

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Solution

The third proportional to 393,602.63 and 626,605.88 is: 997,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,602.63 : 626,605.88 = 626,605.88 : x
  2. Step 2: Convert to fraction form
    393,602.63/626,605.88 = 626,605.88/x
  3. Step 3: Cross multiply
    393,602.63x = 626,605.88 × 626,605.88
  4. Step 4: Simplify right side
    393,602.63x = 392,634,922,584.52
  5. Step 5: Solve for x
    x = 392,634,922,584.52/393,602.63
  6. Step 6: Final answer
    x = 997,541.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.