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Finding the Third Proportional to 179,869,848 and 387,020,280

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Solution

The third proportional to 179,869,848 and 387,020,280 is: 832,739,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,869,848 : 387,020,280 = 387,020,280 : x
  2. Step 2: Convert to fraction form
    179,869,848/387,020,280 = 387,020,280/x
  3. Step 3: Cross multiply
    179,869,848x = 387,020,280 × 387,020,280
  4. Step 4: Simplify right side
    179,869,848x = 149,784,697,131,278,400
  5. Step 5: Solve for x
    x = 149,784,697,131,278,400/179,869,848
  6. Step 6: Final answer
    x = 832,739,332.34

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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.