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Finding the Third Proportional to 306,998,540 and 626,329,192

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Solution

The third proportional to 306,998,540 and 626,329,192 is: 1,277,817,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,998,540 : 626,329,192 = 626,329,192 : x
  2. Step 2: Convert to fraction form
    306,998,540/626,329,192 = 626,329,192/x
  3. Step 3: Cross multiply
    306,998,540x = 626,329,192 × 626,329,192
  4. Step 4: Simplify right side
    306,998,540x = 392,288,256,751,372,864
  5. Step 5: Solve for x
    x = 392,288,256,751,372,864/306,998,540
  6. Step 6: Final answer
    x = 1,277,817,988.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.