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Finding the Third Proportional to 186,310 and 366,970

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Solution

The third proportional to 186,310 and 366,970 is: 722,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,310 : 366,970 = 366,970 : x
  2. Step 2: Convert to fraction form
    186,310/366,970 = 366,970/x
  3. Step 3: Cross multiply
    186,310x = 366,970 × 366,970
  4. Step 4: Simplify right side
    186,310x = 134,666,980,900
  5. Step 5: Solve for x
    x = 134,666,980,900/186,310
  6. Step 6: Final answer
    x = 722,811.34

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.