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Finding the Third Proportional to 432.50 and 930.50

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Solution

The third proportional to 432.50 and 930.50 is: 2,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.50 : 930.50 = 930.50 : x
  2. Step 2: Convert to fraction form
    432.50/930.50 = 930.50/x
  3. Step 3: Cross multiply
    432.50x = 930.50 × 930.50
  4. Step 4: Simplify right side
    432.50x = 865,830.25
  5. Step 5: Solve for x
    x = 865,830.25/432.50
  6. Step 6: Final answer
    x = 2,001.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.