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Finding the Third Proportional to 518,533.50 and 785,044.50

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Solution

The third proportional to 518,533.50 and 785,044.50 is: 1,188,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,533.50 : 785,044.50 = 785,044.50 : x
  2. Step 2: Convert to fraction form
    518,533.50/785,044.50 = 785,044.50/x
  3. Step 3: Cross multiply
    518,533.50x = 785,044.50 × 785,044.50
  4. Step 4: Simplify right side
    518,533.50x = 616,294,866,980.25
  5. Step 5: Solve for x
    x = 616,294,866,980.25/518,533.50
  6. Step 6: Final answer
    x = 1,188,534.33

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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.