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Finding the Third Proportional to 176,290,380 and 383,798,040

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Solution

The third proportional to 176,290,380 and 383,798,040 is: 835,558,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,290,380 : 383,798,040 = 383,798,040 : x
  2. Step 2: Convert to fraction form
    176,290,380/383,798,040 = 383,798,040/x
  3. Step 3: Cross multiply
    176,290,380x = 383,798,040 × 383,798,040
  4. Step 4: Simplify right side
    176,290,380x = 147,300,935,507,841,600
  5. Step 5: Solve for x
    x = 147,300,935,507,841,600/176,290,380
  6. Step 6: Final answer
    x = 835,558,556.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.