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Finding the Third Proportional to 8,692,282.76 and 18,897,918.26

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Solution

The third proportional to 8,692,282.76 and 18,897,918.26 is: 41,086,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,282.76 : 18,897,918.26 = 18,897,918.26 : x
  2. Step 2: Convert to fraction form
    8,692,282.76/18,897,918.26 = 18,897,918.26/x
  3. Step 3: Cross multiply
    8,692,282.76x = 18,897,918.26 × 18,897,918.26
  4. Step 4: Simplify right side
    8,692,282.76x = 357,131,314,478,944.19
  5. Step 5: Solve for x
    x = 357,131,314,478,944.19/8,692,282.76
  6. Step 6: Final answer
    x = 41,086,021.29

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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.