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Finding the Third Proportional to 155,982 and 235,368.75

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Solution

The third proportional to 155,982 and 235,368.75 is: 355,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,982 : 235,368.75 = 235,368.75 : x
  2. Step 2: Convert to fraction form
    155,982/235,368.75 = 235,368.75/x
  3. Step 3: Cross multiply
    155,982x = 235,368.75 × 235,368.75
  4. Step 4: Simplify right side
    155,982x = 55,398,448,476.56
  5. Step 5: Solve for x
    x = 55,398,448,476.56/155,982
  6. Step 6: Final answer
    x = 355,159.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.