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Finding the Third Proportional to 119,390 and 186,348

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Solution

The third proportional to 119,390 and 186,348 is: 290,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,390 : 186,348 = 186,348 : x
  2. Step 2: Convert to fraction form
    119,390/186,348 = 186,348/x
  3. Step 3: Cross multiply
    119,390x = 186,348 × 186,348
  4. Step 4: Simplify right side
    119,390x = 34,725,577,104
  5. Step 5: Solve for x
    x = 34,725,577,104/119,390
  6. Step 6: Final answer
    x = 290,858.34

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.