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Finding the Third Proportional to 8,755,566,985,982 and 18,828,816,696,320

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Solution

The third proportional to 8,755,566,985,982 and 18,828,816,696,320 is: 40,491,305,560,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755,566,985,982 : 18,828,816,696,320 = 18,828,816,696,320 : x
  2. Step 2: Convert to fraction form
    8,755,566,985,982/18,828,816,696,320 = 18,828,816,696,320/x
  3. Step 3: Cross multiply
    8,755,566,985,982x = 18,828,816,696,320 × 18,828,816,696,320
  4. Step 4: Simplify right side
    8,755,566,985,982x = 354,524,338,183,618,788,329,521,152
  5. Step 5: Solve for x
    x = 354,524,338,183,618,788,329,521,152/8,755,566,985,982
  6. Step 6: Final answer
    x = 40,491,305,560,362.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.