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Finding the Third Proportional to 36,355,004 and 78,890,015

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Solution

The third proportional to 36,355,004 and 78,890,015 is: 171,190,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355,004 : 78,890,015 = 78,890,015 : x
  2. Step 2: Convert to fraction form
    36,355,004/78,890,015 = 78,890,015/x
  3. Step 3: Cross multiply
    36,355,004x = 78,890,015 × 78,890,015
  4. Step 4: Simplify right side
    36,355,004x = 6,223,634,466,700,225
  5. Step 5: Solve for x
    x = 6,223,634,466,700,225/36,355,004
  6. Step 6: Final answer
    x = 171,190,586.77

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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.