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Finding the Third Proportional to 168,178 and 249,869

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Solution

The third proportional to 168,178 and 249,869 is: 371,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,178 : 249,869 = 249,869 : x
  2. Step 2: Convert to fraction form
    168,178/249,869 = 249,869/x
  3. Step 3: Cross multiply
    168,178x = 249,869 × 249,869
  4. Step 4: Simplify right side
    168,178x = 62,434,517,161
  5. Step 5: Solve for x
    x = 62,434,517,161/168,178
  6. Step 6: Final answer
    x = 371,240.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.