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Finding the Third Proportional to 162,216,531 and 251,339,787

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Solution

The third proportional to 162,216,531 and 251,339,787 is: 389,428,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,216,531 : 251,339,787 = 251,339,787 : x
  2. Step 2: Convert to fraction form
    162,216,531/251,339,787 = 251,339,787/x
  3. Step 3: Cross multiply
    162,216,531x = 251,339,787 × 251,339,787
  4. Step 4: Simplify right side
    162,216,531x = 63,171,688,529,205,368
  5. Step 5: Solve for x
    x = 63,171,688,529,205,368/162,216,531
  6. Step 6: Final answer
    x = 389,428,180.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.