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Finding the Third Proportional to 528,980.63 and 804,542.63

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Solution

The third proportional to 528,980.63 and 804,542.63 is: 1,223,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,980.63 : 804,542.63 = 804,542.63 : x
  2. Step 2: Convert to fraction form
    528,980.63/804,542.63 = 804,542.63/x
  3. Step 3: Cross multiply
    528,980.63x = 804,542.63 × 804,542.63
  4. Step 4: Simplify right side
    528,980.63x = 647,288,835,441.89
  5. Step 5: Solve for x
    x = 647,288,835,441.89/528,980.63
  6. Step 6: Final answer
    x = 1,223,653.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.