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Finding the Third Proportional to 6,148,831.50 and 8,759,137.50

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Solution

The third proportional to 6,148,831.50 and 8,759,137.50 is: 12,477,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148,831.50 : 8,759,137.50 = 8,759,137.50 : x
  2. Step 2: Convert to fraction form
    6,148,831.50/8,759,137.50 = 8,759,137.50/x
  3. Step 3: Cross multiply
    6,148,831.50x = 8,759,137.50 × 8,759,137.50
  4. Step 4: Simplify right side
    6,148,831.50x = 76,722,489,743,906.25
  5. Step 5: Solve for x
    x = 76,722,489,743,906.25/6,148,831.50
  6. Step 6: Final answer
    x = 12,477,572.32

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.