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Finding the Third Proportional to 57,984,970 and 81,109,630

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Solution

The third proportional to 57,984,970 and 81,109,630 is: 113,456,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984,970 : 81,109,630 = 81,109,630 : x
  2. Step 2: Convert to fraction form
    57,984,970/81,109,630 = 81,109,630/x
  3. Step 3: Cross multiply
    57,984,970x = 81,109,630 × 81,109,630
  4. Step 4: Simplify right side
    57,984,970x = 6,578,772,078,736,900
  5. Step 5: Solve for x
    x = 6,578,772,078,736,900/57,984,970
  6. Step 6: Final answer
    x = 113,456,505.69

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.