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Finding the Third Proportional to 127,894,500 and 197,953,362

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Solution

The third proportional to 127,894,500 and 197,953,362 is: 306,389,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,894,500 : 197,953,362 = 197,953,362 : x
  2. Step 2: Convert to fraction form
    127,894,500/197,953,362 = 197,953,362/x
  3. Step 3: Cross multiply
    127,894,500x = 197,953,362 × 197,953,362
  4. Step 4: Simplify right side
    127,894,500x = 39,185,533,527,103,040
  5. Step 5: Solve for x
    x = 39,185,533,527,103,040/127,894,500
  6. Step 6: Final answer
    x = 306,389,512.66

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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.