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Finding the Third Proportional to 535,282.88 and 788,137.31

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Solution

The third proportional to 535,282.88 and 788,137.31 is: 1,160,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,282.88 : 788,137.31 = 788,137.31 : x
  2. Step 2: Convert to fraction form
    535,282.88/788,137.31 = 788,137.31/x
  3. Step 3: Cross multiply
    535,282.88x = 788,137.31 × 788,137.31
  4. Step 4: Simplify right side
    535,282.88x = 621,160,423,354.72
  5. Step 5: Solve for x
    x = 621,160,423,354.72/535,282.88
  6. Step 6: Final answer
    x = 1,160,433.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.