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Finding the Third Proportional to 13,288,220 and 19,002,018

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Solution

The third proportional to 13,288,220 and 19,002,018 is: 27,172,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,220 : 19,002,018 = 19,002,018 : x
  2. Step 2: Convert to fraction form
    13,288,220/19,002,018 = 19,002,018/x
  3. Step 3: Cross multiply
    13,288,220x = 19,002,018 × 19,002,018
  4. Step 4: Simplify right side
    13,288,220x = 361,076,688,072,324
  5. Step 5: Solve for x
    x = 361,076,688,072,324/13,288,220
  6. Step 6: Final answer
    x = 27,172,690.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.