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Finding the Third Proportional to 20,836,990.50 and 23,328,118.50

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Solution

The third proportional to 20,836,990.50 and 23,328,118.50 is: 26,117,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836,990.50 : 23,328,118.50 = 23,328,118.50 : x
  2. Step 2: Convert to fraction form
    20,836,990.50/23,328,118.50 = 23,328,118.50/x
  3. Step 3: Cross multiply
    20,836,990.50x = 23,328,118.50 × 23,328,118.50
  4. Step 4: Simplify right side
    20,836,990.50x = 544,201,112,750,042.25
  5. Step 5: Solve for x
    x = 544,201,112,750,042.25/20,836,990.50
  6. Step 6: Final answer
    x = 26,117,068.72

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.