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Finding the Third Proportional to 153,415.50 and 328,152.75

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Solution

The third proportional to 153,415.50 and 328,152.75 is: 701,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,415.50 : 328,152.75 = 328,152.75 : x
  2. Step 2: Convert to fraction form
    153,415.50/328,152.75 = 328,152.75/x
  3. Step 3: Cross multiply
    153,415.50x = 328,152.75 × 328,152.75
  4. Step 4: Simplify right side
    153,415.50x = 107,684,227,332.56
  5. Step 5: Solve for x
    x = 107,684,227,332.56/153,415.50
  6. Step 6: Final answer
    x = 701,912.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.