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Finding the Third Proportional to 79,419,386 and 172,026,454

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Solution

The third proportional to 79,419,386 and 172,026,454 is: 372,618,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,419,386 : 172,026,454 = 172,026,454 : x
  2. Step 2: Convert to fraction form
    79,419,386/172,026,454 = 172,026,454/x
  3. Step 3: Cross multiply
    79,419,386x = 172,026,454 × 172,026,454
  4. Step 4: Simplify right side
    79,419,386x = 29,593,100,875,814,116
  5. Step 5: Solve for x
    x = 29,593,100,875,814,116/79,419,386
  6. Step 6: Final answer
    x = 372,618,102.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.