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Finding the Third Proportional to 127,746,400 and 191,407,078

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Solution

The third proportional to 127,746,400 and 191,407,078 is: 286,792,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,400 : 191,407,078 = 191,407,078 : x
  2. Step 2: Convert to fraction form
    127,746,400/191,407,078 = 191,407,078/x
  3. Step 3: Cross multiply
    127,746,400x = 191,407,078 × 191,407,078
  4. Step 4: Simplify right side
    127,746,400x = 36,636,669,508,498,080
  5. Step 5: Solve for x
    x = 36,636,669,508,498,080/127,746,400
  6. Step 6: Final answer
    x = 286,792,187.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.