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Finding the Third Proportional to 12,388,176,684 and 18,937,757,664

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Solution

The third proportional to 12,388,176,684 and 18,937,757,664 is: 28,950,076,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,176,684 : 18,937,757,664 = 18,937,757,664 : x
  2. Step 2: Convert to fraction form
    12,388,176,684/18,937,757,664 = 18,937,757,664/x
  3. Step 3: Cross multiply
    12,388,176,684x = 18,937,757,664 × 18,937,757,664
  4. Step 4: Simplify right side
    12,388,176,684x = 358,638,665,340,390,735,872
  5. Step 5: Solve for x
    x = 358,638,665,340,390,735,872/12,388,176,684
  6. Step 6: Final answer
    x = 28,950,076,713.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.