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Finding the Third Proportional to 822,486 and 1,803,859.50

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Solution

The third proportional to 822,486 and 1,803,859.50 is: 3,956,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,486 : 1,803,859.50 = 1,803,859.50 : x
  2. Step 2: Convert to fraction form
    822,486/1,803,859.50 = 1,803,859.50/x
  3. Step 3: Cross multiply
    822,486x = 1,803,859.50 × 1,803,859.50
  4. Step 4: Simplify right side
    822,486x = 3,253,909,095,740.25
  5. Step 5: Solve for x
    x = 3,253,909,095,740.25/822,486
  6. Step 6: Final answer
    x = 3,956,187.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.