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Finding the Third Proportional to 179,869,896 and 387,020,376

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Solution

The third proportional to 179,869,896 and 387,020,376 is: 832,739,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,869,896 : 387,020,376 = 387,020,376 : x
  2. Step 2: Convert to fraction form
    179,869,896/387,020,376 = 387,020,376/x
  3. Step 3: Cross multiply
    179,869,896x = 387,020,376 × 387,020,376
  4. Step 4: Simplify right side
    179,869,896x = 149,784,771,439,181,376
  5. Step 5: Solve for x
    x = 149,784,771,439,181,376/179,869,896
  6. Step 6: Final answer
    x = 832,739,523.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.