Home / 31,566,172,311-68,689,263,946.50

Finding the Third Proportional to 31,566,172,311 and 68,689,263,946.50

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Solution

The third proportional to 31,566,172,311 and 68,689,263,946.50 is: 149,470,608,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566,172,311 : 68,689,263,946.50 = 68,689,263,946.50 : x
  2. Step 2: Convert to fraction form
    31,566,172,311/68,689,263,946.50 = 68,689,263,946.50/x
  3. Step 3: Cross multiply
    31,566,172,311x = 68,689,263,946.50 × 68,689,263,946.50
  4. Step 4: Simplify right side
    31,566,172,311x = 4,718,214,981,511,944,863,744
  5. Step 5: Solve for x
    x = 4,718,214,981,511,944,863,744/31,566,172,311
  6. Step 6: Final answer
    x = 149,470,608,442.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.