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Finding the Third Proportional to 1,553,684,609 and 3,328,431,178

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Solution

The third proportional to 1,553,684,609 and 3,328,431,178 is: 7,130,439,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,684,609 : 3,328,431,178 = 3,328,431,178 : x
  2. Step 2: Convert to fraction form
    1,553,684,609/3,328,431,178 = 3,328,431,178/x
  3. Step 3: Cross multiply
    1,553,684,609x = 3,328,431,178 × 3,328,431,178
  4. Step 4: Simplify right side
    1,553,684,609x = 11,078,454,106,682,468,352
  5. Step 5: Solve for x
    x = 11,078,454,106,682,468,352/1,553,684,609
  6. Step 6: Final answer
    x = 7,130,439,500.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.