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Finding the Third Proportional to 18,416,064 and 28,889,369

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Solution

The third proportional to 18,416,064 and 28,889,369 is: 45,318,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416,064 : 28,889,369 = 28,889,369 : x
  2. Step 2: Convert to fraction form
    18,416,064/28,889,369 = 28,889,369/x
  3. Step 3: Cross multiply
    18,416,064x = 28,889,369 × 28,889,369
  4. Step 4: Simplify right side
    18,416,064x = 834,595,641,218,161
  5. Step 5: Solve for x
    x = 834,595,641,218,161/18,416,064
  6. Step 6: Final answer
    x = 45,318,893.40

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.