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Finding the Third Proportional to 91,572,430,788 and 138,229,245,270

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Solution

The third proportional to 91,572,430,788 and 138,229,245,270 is: 208,658,043,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,572,430,788 : 138,229,245,270 = 138,229,245,270 : x
  2. Step 2: Convert to fraction form
    91,572,430,788/138,229,245,270 = 138,229,245,270/x
  3. Step 3: Cross multiply
    91,572,430,788x = 138,229,245,270 × 138,229,245,270
  4. Step 4: Simplify right side
    91,572,430,788x = 19,107,324,247,913,818,750,976
  5. Step 5: Solve for x
    x = 19,107,324,247,913,818,750,976/91,572,430,788
  6. Step 6: Final answer
    x = 208,658,043,512.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.