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Finding the Third Proportional to 178,739,246 and 385,694,650

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Solution

The third proportional to 178,739,246 and 385,694,650 is: 832,275,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,739,246 : 385,694,650 = 385,694,650 : x
  2. Step 2: Convert to fraction form
    178,739,246/385,694,650 = 385,694,650/x
  3. Step 3: Cross multiply
    178,739,246x = 385,694,650 × 385,694,650
  4. Step 4: Simplify right side
    178,739,246x = 148,760,363,038,622,496
  5. Step 5: Solve for x
    x = 148,760,363,038,622,496/178,739,246
  6. Step 6: Final answer
    x = 832,275,878.79

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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.