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Finding the Third Proportional to 186,336 and 402,264

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Solution

The third proportional to 186,336 and 402,264 is: 868,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,336 : 402,264 = 402,264 : x
  2. Step 2: Convert to fraction form
    186,336/402,264 = 402,264/x
  3. Step 3: Cross multiply
    186,336x = 402,264 × 402,264
  4. Step 4: Simplify right side
    186,336x = 161,816,325,696
  5. Step 5: Solve for x
    x = 161,816,325,696/186,336
  6. Step 6: Final answer
    x = 868,411.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.