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Finding the Third Proportional to 319,651.31 and 532,681.31

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Solution

The third proportional to 319,651.31 and 532,681.31 is: 887,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,651.31 : 532,681.31 = 532,681.31 : x
  2. Step 2: Convert to fraction form
    319,651.31/532,681.31 = 532,681.31/x
  3. Step 3: Cross multiply
    319,651.31x = 532,681.31 × 532,681.31
  4. Step 4: Simplify right side
    319,651.31x = 283,749,380,686.72
  5. Step 5: Solve for x
    x = 283,749,380,686.72/319,651.31
  6. Step 6: Final answer
    x = 887,684.08

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.