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Finding the Third Proportional to 18,312,864 and 39,811,094

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Solution

The third proportional to 18,312,864 and 39,811,094 is: 86,546,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312,864 : 39,811,094 = 39,811,094 : x
  2. Step 2: Convert to fraction form
    18,312,864/39,811,094 = 39,811,094/x
  3. Step 3: Cross multiply
    18,312,864x = 39,811,094 × 39,811,094
  4. Step 4: Simplify right side
    18,312,864x = 1,584,923,205,476,836
  5. Step 5: Solve for x
    x = 1,584,923,205,476,836/18,312,864
  6. Step 6: Final answer
    x = 86,546,987.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.