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Finding the Third Proportional to 145,862 and 238,176

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Solution

The third proportional to 145,862 and 238,176 is: 388,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,862 : 238,176 = 238,176 : x
  2. Step 2: Convert to fraction form
    145,862/238,176 = 238,176/x
  3. Step 3: Cross multiply
    145,862x = 238,176 × 238,176
  4. Step 4: Simplify right side
    145,862x = 56,727,806,976
  5. Step 5: Solve for x
    x = 56,727,806,976/145,862
  6. Step 6: Final answer
    x = 388,914.23

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.