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Finding the Third Proportional to 152,953.50 and 330,520.50

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Solution

The third proportional to 152,953.50 and 330,520.50 is: 714,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,953.50 : 330,520.50 = 330,520.50 : x
  2. Step 2: Convert to fraction form
    152,953.50/330,520.50 = 330,520.50/x
  3. Step 3: Cross multiply
    152,953.50x = 330,520.50 × 330,520.50
  4. Step 4: Simplify right side
    152,953.50x = 109,243,800,920.25
  5. Step 5: Solve for x
    x = 109,243,800,920.25/152,953.50
  6. Step 6: Final answer
    x = 714,228.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.