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Finding the Third Proportional to 158,684,108 and 245,207,418

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Solution

The third proportional to 158,684,108 and 245,207,418 is: 378,907,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,684,108 : 245,207,418 = 245,207,418 : x
  2. Step 2: Convert to fraction form
    158,684,108/245,207,418 = 245,207,418/x
  3. Step 3: Cross multiply
    158,684,108x = 245,207,418 × 245,207,418
  4. Step 4: Simplify right side
    158,684,108x = 60,126,677,842,226,720
  5. Step 5: Solve for x
    x = 60,126,677,842,226,720/158,684,108
  6. Step 6: Final answer
    x = 378,907,999.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.