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Finding the Third Proportional to 12,072,324 and 18,843,315

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Solution

The third proportional to 12,072,324 and 18,843,315 is: 29,411,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,324 : 18,843,315 = 18,843,315 : x
  2. Step 2: Convert to fraction form
    12,072,324/18,843,315 = 18,843,315/x
  3. Step 3: Cross multiply
    12,072,324x = 18,843,315 × 18,843,315
  4. Step 4: Simplify right side
    12,072,324x = 355,070,520,189,225
  5. Step 5: Solve for x
    x = 355,070,520,189,225/12,072,324
  6. Step 6: Final answer
    x = 29,411,944.23

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.