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Finding the Third Proportional to 827,870.63 and 1,214,544.38

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Solution

The third proportional to 827,870.63 and 1,214,544.38 is: 1,781,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,870.63 : 1,214,544.38 = 1,214,544.38 : x
  2. Step 2: Convert to fraction form
    827,870.63/1,214,544.38 = 1,214,544.38/x
  3. Step 3: Cross multiply
    827,870.63x = 1,214,544.38 × 1,214,544.38
  4. Step 4: Simplify right side
    827,870.63x = 1,475,118,038,844.14
  5. Step 5: Solve for x
    x = 1,475,118,038,844.14/827,870.63
  6. Step 6: Final answer
    x = 1,781,821.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.