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Finding the Third Proportional to 388,599,426 and 555,701,751

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Solution

The third proportional to 388,599,426 and 555,701,751 is: 794,660,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,599,426 : 555,701,751 = 555,701,751 : x
  2. Step 2: Convert to fraction form
    388,599,426/555,701,751 = 555,701,751/x
  3. Step 3: Cross multiply
    388,599,426x = 555,701,751 × 555,701,751
  4. Step 4: Simplify right side
    388,599,426x = 308,804,436,064,465,984
  5. Step 5: Solve for x
    x = 308,804,436,064,465,984/388,599,426
  6. Step 6: Final answer
    x = 794,660,041.69

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.