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Finding the Third Proportional to 178,739,244 and 385,694,646

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Solution

The third proportional to 178,739,244 and 385,694,646 is: 832,275,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,739,244 : 385,694,646 = 385,694,646 : x
  2. Step 2: Convert to fraction form
    178,739,244/385,694,646 = 385,694,646/x
  3. Step 3: Cross multiply
    178,739,244x = 385,694,646 × 385,694,646
  4. Step 4: Simplify right side
    178,739,244x = 148,760,359,953,065,312
  5. Step 5: Solve for x
    x = 148,760,359,953,065,312/178,739,244
  6. Step 6: Final answer
    x = 832,275,870.84

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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.