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Finding the Third Proportional to 30,279,838.50 and 65,670,696

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Solution

The third proportional to 30,279,838.50 and 65,670,696 is: 142,426,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,838.50 : 65,670,696 = 65,670,696 : x
  2. Step 2: Convert to fraction form
    30,279,838.50/65,670,696 = 65,670,696/x
  3. Step 3: Cross multiply
    30,279,838.50x = 65,670,696 × 65,670,696
  4. Step 4: Simplify right side
    30,279,838.50x = 4,312,640,313,124,416
  5. Step 5: Solve for x
    x = 4,312,640,313,124,416/30,279,838.50
  6. Step 6: Final answer
    x = 142,426,133.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.