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Finding the Third Proportional to 373,886,319 and 865,479,135

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Solution

The third proportional to 373,886,319 and 865,479,135 is: 2,003,427,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,886,319 : 865,479,135 = 865,479,135 : x
  2. Step 2: Convert to fraction form
    373,886,319/865,479,135 = 865,479,135/x
  3. Step 3: Cross multiply
    373,886,319x = 865,479,135 × 865,479,135
  4. Step 4: Simplify right side
    373,886,319x = 749,054,133,120,348,288
  5. Step 5: Solve for x
    x = 749,054,133,120,348,288/373,886,319
  6. Step 6: Final answer
    x = 2,003,427,499.36

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.