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Finding the Third Proportional to 7,279,018,348 and 15,717,916,520

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Solution

The third proportional to 7,279,018,348 and 15,717,916,520 is: 33,940,414,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,018,348 : 15,717,916,520 = 15,717,916,520 : x
  2. Step 2: Convert to fraction form
    7,279,018,348/15,717,916,520 = 15,717,916,520/x
  3. Step 3: Cross multiply
    7,279,018,348x = 15,717,916,520 × 15,717,916,520
  4. Step 4: Simplify right side
    7,279,018,348x = 247,052,899,729,688,920,064
  5. Step 5: Solve for x
    x = 247,052,899,729,688,920,064/7,279,018,348
  6. Step 6: Final answer
    x = 33,940,414,478.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.