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Finding the Third Proportional to 178,159,670 and 372,608,926

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Solution

The third proportional to 178,159,670 and 372,608,926 is: 779,286,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,159,670 : 372,608,926 = 372,608,926 : x
  2. Step 2: Convert to fraction form
    178,159,670/372,608,926 = 372,608,926/x
  3. Step 3: Cross multiply
    178,159,670x = 372,608,926 × 372,608,926
  4. Step 4: Simplify right side
    178,159,670x = 138,837,411,734,873,472
  5. Step 5: Solve for x
    x = 138,837,411,734,873,472/178,159,670
  6. Step 6: Final answer
    x = 779,286,421.75

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.