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Finding the Third Proportional to 7,098,429,328 and 15,374,795,515

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Solution

The third proportional to 7,098,429,328 and 15,374,795,515 is: 33,300,935,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,429,328 : 15,374,795,515 = 15,374,795,515 : x
  2. Step 2: Convert to fraction form
    7,098,429,328/15,374,795,515 = 15,374,795,515/x
  3. Step 3: Cross multiply
    7,098,429,328x = 15,374,795,515 × 15,374,795,515
  4. Step 4: Simplify right side
    7,098,429,328x = 236,384,337,128,064,122,880
  5. Step 5: Solve for x
    x = 236,384,337,128,064,122,880/7,098,429,328
  6. Step 6: Final answer
    x = 33,300,935,489.44

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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.