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Finding the Third Proportional to 124,816 and 186,688

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Solution

The third proportional to 124,816 and 186,688 is: 279,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816 : 186,688 = 186,688 : x
  2. Step 2: Convert to fraction form
    124,816/186,688 = 186,688/x
  3. Step 3: Cross multiply
    124,816x = 186,688 × 186,688
  4. Step 4: Simplify right side
    124,816x = 34,852,409,344
  5. Step 5: Solve for x
    x = 34,852,409,344/124,816
  6. Step 6: Final answer
    x = 279,230.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.