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Finding the Third Proportional to 172,378,548 and 372,105,288

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Solution

The third proportional to 172,378,548 and 372,105,288 is: 803,245,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,378,548 : 372,105,288 = 372,105,288 : x
  2. Step 2: Convert to fraction form
    172,378,548/372,105,288 = 372,105,288/x
  3. Step 3: Cross multiply
    172,378,548x = 372,105,288 × 372,105,288
  4. Step 4: Simplify right side
    172,378,548x = 138,462,345,357,562,944
  5. Step 5: Solve for x
    x = 138,462,345,357,562,944/172,378,548
  6. Step 6: Final answer
    x = 803,245,803.87

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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.