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Finding the Third Proportional to 16,430,402 and 36,638,644

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Solution

The third proportional to 16,430,402 and 36,638,644 is: 81,701,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430,402 : 36,638,644 = 36,638,644 : x
  2. Step 2: Convert to fraction form
    16,430,402/36,638,644 = 36,638,644/x
  3. Step 3: Cross multiply
    16,430,402x = 36,638,644 × 36,638,644
  4. Step 4: Simplify right side
    16,430,402x = 1,342,390,234,158,736
  5. Step 5: Solve for x
    x = 1,342,390,234,158,736/16,430,402
  6. Step 6: Final answer
    x = 81,701,606.22

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.