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Finding the Third Proportional to 18,916,036.50 and 40,733,211

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Solution

The third proportional to 18,916,036.50 and 40,733,211 is: 87,713,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,036.50 : 40,733,211 = 40,733,211 : x
  2. Step 2: Convert to fraction form
    18,916,036.50/40,733,211 = 40,733,211/x
  3. Step 3: Cross multiply
    18,916,036.50x = 40,733,211 × 40,733,211
  4. Step 4: Simplify right side
    18,916,036.50x = 1,659,194,478,370,521
  5. Step 5: Solve for x
    x = 1,659,194,478,370,521/18,916,036.50
  6. Step 6: Final answer
    x = 87,713,643.31

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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.