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Finding the Third Proportional to 529 and 901.50

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Solution

The third proportional to 529 and 901.50 is: 1,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529 : 901.50 = 901.50 : x
  2. Step 2: Convert to fraction form
    529/901.50 = 901.50/x
  3. Step 3: Cross multiply
    529x = 901.50 × 901.50
  4. Step 4: Simplify right side
    529x = 812,702.25
  5. Step 5: Solve for x
    x = 812,702.25/529
  6. Step 6: Final answer
    x = 1,536.30

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.