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Finding the Third Proportional to 90,959,064 and 139,951,764

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Solution

The third proportional to 90,959,064 and 139,951,764 is: 215,333,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,064 : 139,951,764 = 139,951,764 : x
  2. Step 2: Convert to fraction form
    90,959,064/139,951,764 = 139,951,764/x
  3. Step 3: Cross multiply
    90,959,064x = 139,951,764 × 139,951,764
  4. Step 4: Simplify right side
    90,959,064x = 19,586,496,246,711,696
  5. Step 5: Solve for x
    x = 19,586,496,246,711,696/90,959,064
  6. Step 6: Final answer
    x = 215,333,089.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.