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Finding the Third Proportional to 528,622.50 and 851,163

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Solution

The third proportional to 528,622.50 and 851,163 is: 1,370,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,622.50 : 851,163 = 851,163 : x
  2. Step 2: Convert to fraction form
    528,622.50/851,163 = 851,163/x
  3. Step 3: Cross multiply
    528,622.50x = 851,163 × 851,163
  4. Step 4: Simplify right side
    528,622.50x = 724,478,452,569
  5. Step 5: Solve for x
    x = 724,478,452,569/528,622.50
  6. Step 6: Final answer
    x = 1,370,502.49

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.