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Finding the Third Proportional to 823,356 and 1,284,831.50

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Solution

The third proportional to 823,356 and 1,284,831.50 is: 2,004,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,356 : 1,284,831.50 = 1,284,831.50 : x
  2. Step 2: Convert to fraction form
    823,356/1,284,831.50 = 1,284,831.50/x
  3. Step 3: Cross multiply
    823,356x = 1,284,831.50 × 1,284,831.50
  4. Step 4: Simplify right side
    823,356x = 1,650,791,983,392.25
  5. Step 5: Solve for x
    x = 1,650,791,983,392.25/823,356
  6. Step 6: Final answer
    x = 2,004,955.31

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.