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Finding the Third Proportional to 3,686,124,810 and 8,123,599,245

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Solution

The third proportional to 3,686,124,810 and 8,123,599,245 is: 17,903,046,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,124,810 : 8,123,599,245 = 8,123,599,245 : x
  2. Step 2: Convert to fraction form
    3,686,124,810/8,123,599,245 = 8,123,599,245/x
  3. Step 3: Cross multiply
    3,686,124,810x = 8,123,599,245 × 8,123,599,245
  4. Step 4: Simplify right side
    3,686,124,810x = 65,992,864,693,364,572,160
  5. Step 5: Solve for x
    x = 65,992,864,693,364,572,160/3,686,124,810
  6. Step 6: Final answer
    x = 17,903,046,721.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.