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Finding the Third Proportional to 985,486.50 and 2,128,275

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Solution

The third proportional to 985,486.50 and 2,128,275 is: 4,596,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,486.50 : 2,128,275 = 2,128,275 : x
  2. Step 2: Convert to fraction form
    985,486.50/2,128,275 = 2,128,275/x
  3. Step 3: Cross multiply
    985,486.50x = 2,128,275 × 2,128,275
  4. Step 4: Simplify right side
    985,486.50x = 4,529,554,475,625
  5. Step 5: Solve for x
    x = 4,529,554,475,625/985,486.50
  6. Step 6: Final answer
    x = 4,596,262.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.