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Finding the Third Proportional to 121,036 and 186,656

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Solution

The third proportional to 121,036 and 186,656 is: 287,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,036 : 186,656 = 186,656 : x
  2. Step 2: Convert to fraction form
    121,036/186,656 = 186,656/x
  3. Step 3: Cross multiply
    121,036x = 186,656 × 186,656
  4. Step 4: Simplify right side
    121,036x = 34,840,462,336
  5. Step 5: Solve for x
    x = 34,840,462,336/121,036
  6. Step 6: Final answer
    x = 287,852.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.