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Finding the Third Proportional to 166,215 and 249,261

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Solution

The third proportional to 166,215 and 249,261 is: 373,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,215 : 249,261 = 249,261 : x
  2. Step 2: Convert to fraction form
    166,215/249,261 = 249,261/x
  3. Step 3: Cross multiply
    166,215x = 249,261 × 249,261
  4. Step 4: Simplify right side
    166,215x = 62,131,046,121
  5. Step 5: Solve for x
    x = 62,131,046,121/166,215
  6. Step 6: Final answer
    x = 373,799.27

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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.