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Finding the Third Proportional to 152,352.75 and 330,130.50

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Solution

The third proportional to 152,352.75 and 330,130.50 is: 715,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,352.75 : 330,130.50 = 330,130.50 : x
  2. Step 2: Convert to fraction form
    152,352.75/330,130.50 = 330,130.50/x
  3. Step 3: Cross multiply
    152,352.75x = 330,130.50 × 330,130.50
  4. Step 4: Simplify right side
    152,352.75x = 108,986,147,030.25
  5. Step 5: Solve for x
    x = 108,986,147,030.25/152,352.75
  6. Step 6: Final answer
    x = 715,353.99

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.