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Finding the Third Proportional to 172,906,624 and 373,420,539

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Solution

The third proportional to 172,906,624 and 373,420,539 is: 806,463,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,906,624 : 373,420,539 = 373,420,539 : x
  2. Step 2: Convert to fraction form
    172,906,624/373,420,539 = 373,420,539/x
  3. Step 3: Cross multiply
    172,906,624x = 373,420,539 × 373,420,539
  4. Step 4: Simplify right side
    172,906,624x = 139,442,898,947,050,528
  5. Step 5: Solve for x
    x = 139,442,898,947,050,528/172,906,624
  6. Step 6: Final answer
    x = 806,463,602.85

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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.