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Finding the Third Proportional to 437,920,578 and 612,239,796

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Solution

The third proportional to 437,920,578 and 612,239,796 is: 855,948,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,920,578 : 612,239,796 = 612,239,796 : x
  2. Step 2: Convert to fraction form
    437,920,578/612,239,796 = 612,239,796/x
  3. Step 3: Cross multiply
    437,920,578x = 612,239,796 × 612,239,796
  4. Step 4: Simplify right side
    437,920,578x = 374,837,567,806,121,600
  5. Step 5: Solve for x
    x = 374,837,567,806,121,600/437,920,578
  6. Step 6: Final answer
    x = 855,948,741.93

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.