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Finding the Third Proportional to 475,456.50 and 972,775.50

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Solution

The third proportional to 475,456.50 and 972,775.50 is: 1,990,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,456.50 : 972,775.50 = 972,775.50 : x
  2. Step 2: Convert to fraction form
    475,456.50/972,775.50 = 972,775.50/x
  3. Step 3: Cross multiply
    475,456.50x = 972,775.50 × 972,775.50
  4. Step 4: Simplify right side
    475,456.50x = 946,292,173,400.25
  5. Step 5: Solve for x
    x = 946,292,173,400.25/475,456.50
  6. Step 6: Final answer
    x = 1,990,281.28

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.