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Finding the Third Proportional to 430,980.75 and 926,822.25

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Solution

The third proportional to 430,980.75 and 926,822.25 is: 1,993,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,980.75 : 926,822.25 = 926,822.25 : x
  2. Step 2: Convert to fraction form
    430,980.75/926,822.25 = 926,822.25/x
  3. Step 3: Cross multiply
    430,980.75x = 926,822.25 × 926,822.25
  4. Step 4: Simplify right side
    430,980.75x = 858,999,483,095.06
  5. Step 5: Solve for x
    x = 858,999,483,095.06/430,980.75
  6. Step 6: Final answer
    x = 1,993,127.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.