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Finding the Third Proportional to 488,806.50 and 738,130.50

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Solution

The third proportional to 488,806.50 and 738,130.50 is: 1,114,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,806.50 : 738,130.50 = 738,130.50 : x
  2. Step 2: Convert to fraction form
    488,806.50/738,130.50 = 738,130.50/x
  3. Step 3: Cross multiply
    488,806.50x = 738,130.50 × 738,130.50
  4. Step 4: Simplify right side
    488,806.50x = 544,836,635,030.25
  5. Step 5: Solve for x
    x = 544,836,635,030.25/488,806.50
  6. Step 6: Final answer
    x = 1,114,626.41

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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.