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Finding the Third Proportional to 480,628.50 and 724,635

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Solution

The third proportional to 480,628.50 and 724,635 is: 1,092,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,628.50 : 724,635 = 724,635 : x
  2. Step 2: Convert to fraction form
    480,628.50/724,635 = 724,635/x
  3. Step 3: Cross multiply
    480,628.50x = 724,635 × 724,635
  4. Step 4: Simplify right side
    480,628.50x = 525,095,883,225
  5. Step 5: Solve for x
    x = 525,095,883,225/480,628.50
  6. Step 6: Final answer
    x = 1,092,519.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.