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Finding the Third Proportional to 67,130,519.50 and 144,590,513

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Solution

The third proportional to 67,130,519.50 and 144,590,513 is: 311,429,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130,519.50 : 144,590,513 = 144,590,513 : x
  2. Step 2: Convert to fraction form
    67,130,519.50/144,590,513 = 144,590,513/x
  3. Step 3: Cross multiply
    67,130,519.50x = 144,590,513 × 144,590,513
  4. Step 4: Simplify right side
    67,130,519.50x = 20,906,416,449,603,168
  5. Step 5: Solve for x
    x = 20,906,416,449,603,168/67,130,519.50
  6. Step 6: Final answer
    x = 311,429,385.70

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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.