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Finding the Third Proportional to 186,592 and 402,656

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Solution

The third proportional to 186,592 and 402,656 is: 868,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,592 : 402,656 = 402,656 : x
  2. Step 2: Convert to fraction form
    186,592/402,656 = 402,656/x
  3. Step 3: Cross multiply
    186,592x = 402,656 × 402,656
  4. Step 4: Simplify right side
    186,592x = 162,131,854,336
  5. Step 5: Solve for x
    x = 162,131,854,336/186,592
  6. Step 6: Final answer
    x = 868,911.07

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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.