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Finding the Third Proportional to 163,379 and 249,875

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Solution

The third proportional to 163,379 and 249,875 is: 382,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,379 : 249,875 = 249,875 : x
  2. Step 2: Convert to fraction form
    163,379/249,875 = 249,875/x
  3. Step 3: Cross multiply
    163,379x = 249,875 × 249,875
  4. Step 4: Simplify right side
    163,379x = 62,437,515,625
  5. Step 5: Solve for x
    x = 62,437,515,625/163,379
  6. Step 6: Final answer
    x = 382,163.65

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.