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Finding the Third Proportional to 439,360 and 958,909

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Solution

The third proportional to 439,360 and 958,909 is: 2,092,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,360 : 958,909 = 958,909 : x
  2. Step 2: Convert to fraction form
    439,360/958,909 = 958,909/x
  3. Step 3: Cross multiply
    439,360x = 958,909 × 958,909
  4. Step 4: Simplify right side
    439,360x = 919,506,470,281
  5. Step 5: Solve for x
    x = 919,506,470,281/439,360
  6. Step 6: Final answer
    x = 2,092,831.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.