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Finding the Third Proportional to 317,188.50 and 475,681.50

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Solution

The third proportional to 317,188.50 and 475,681.50 is: 713,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,188.50 : 475,681.50 = 475,681.50 : x
  2. Step 2: Convert to fraction form
    317,188.50/475,681.50 = 475,681.50/x
  3. Step 3: Cross multiply
    317,188.50x = 475,681.50 × 475,681.50
  4. Step 4: Simplify right side
    317,188.50x = 226,272,889,442.25
  5. Step 5: Solve for x
    x = 226,272,889,442.25/317,188.50
  6. Step 6: Final answer
    x = 713,370.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.