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Finding the Third Proportional to 167,721 and 249,295

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Solution

The third proportional to 167,721 and 249,295 is: 370,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,721 : 249,295 = 249,295 : x
  2. Step 2: Convert to fraction form
    167,721/249,295 = 249,295/x
  3. Step 3: Cross multiply
    167,721x = 249,295 × 249,295
  4. Step 4: Simplify right side
    167,721x = 62,147,997,025
  5. Step 5: Solve for x
    x = 62,147,997,025/167,721
  6. Step 6: Final answer
    x = 370,543.92

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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.