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Finding the Third Proportional to 153,716 and 240,606

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Solution

The third proportional to 153,716 and 240,606 is: 376,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,716 : 240,606 = 240,606 : x
  2. Step 2: Convert to fraction form
    153,716/240,606 = 240,606/x
  3. Step 3: Cross multiply
    153,716x = 240,606 × 240,606
  4. Step 4: Simplify right side
    153,716x = 57,891,247,236
  5. Step 5: Solve for x
    x = 57,891,247,236/153,716
  6. Step 6: Final answer
    x = 376,611.72

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.