Home / 20,878,804.50-31,942,239.75

Finding the Third Proportional to 20,878,804.50 and 31,942,239.75

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Solution

The third proportional to 20,878,804.50 and 31,942,239.75 is: 48,868,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,878,804.50 : 31,942,239.75 = 31,942,239.75 : x
  2. Step 2: Convert to fraction form
    20,878,804.50/31,942,239.75 = 31,942,239.75/x
  3. Step 3: Cross multiply
    20,878,804.50x = 31,942,239.75 × 31,942,239.75
  4. Step 4: Simplify right side
    20,878,804.50x = 1,020,306,680,246,480
  5. Step 5: Solve for x
    x = 1,020,306,680,246,480/20,878,804.50
  6. Step 6: Final answer
    x = 48,868,060.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.