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Finding the Third Proportional to 88,210,128 and 186,894,240

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Solution

The third proportional to 88,210,128 and 186,894,240 is: 395,980,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,210,128 : 186,894,240 = 186,894,240 : x
  2. Step 2: Convert to fraction form
    88,210,128/186,894,240 = 186,894,240/x
  3. Step 3: Cross multiply
    88,210,128x = 186,894,240 × 186,894,240
  4. Step 4: Simplify right side
    88,210,128x = 34,929,456,945,177,600
  5. Step 5: Solve for x
    x = 34,929,456,945,177,600/88,210,128
  6. Step 6: Final answer
    x = 395,980,118.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.