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Finding the Third Proportional to 186,341 and 402,346

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Solution

The third proportional to 186,341 and 402,346 is: 868,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,341 : 402,346 = 402,346 : x
  2. Step 2: Convert to fraction form
    186,341/402,346 = 402,346/x
  3. Step 3: Cross multiply
    186,341x = 402,346 × 402,346
  4. Step 4: Simplify right side
    186,341x = 161,882,303,716
  5. Step 5: Solve for x
    x = 161,882,303,716/186,341
  6. Step 6: Final answer
    x = 868,742.27

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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.