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Finding the Third Proportional to 1,818,444,514 and 3,920,729,011

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Solution

The third proportional to 1,818,444,514 and 3,920,729,011 is: 8,453,442,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,444,514 : 3,920,729,011 = 3,920,729,011 : x
  2. Step 2: Convert to fraction form
    1,818,444,514/3,920,729,011 = 3,920,729,011/x
  3. Step 3: Cross multiply
    1,818,444,514x = 3,920,729,011 × 3,920,729,011
  4. Step 4: Simplify right side
    1,818,444,514x = 15,372,115,977,697,038,336
  5. Step 5: Solve for x
    x = 15,372,115,977,697,038,336/1,818,444,514
  6. Step 6: Final answer
    x = 8,453,442,411.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.