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Finding the Third Proportional to 98,915,276 and 151,310,220

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Solution

The third proportional to 98,915,276 and 151,310,220 is: 231,458,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,915,276 : 151,310,220 = 151,310,220 : x
  2. Step 2: Convert to fraction form
    98,915,276/151,310,220 = 151,310,220/x
  3. Step 3: Cross multiply
    98,915,276x = 151,310,220 × 151,310,220
  4. Step 4: Simplify right side
    98,915,276x = 22,894,782,676,448,400
  5. Step 5: Solve for x
    x = 22,894,782,676,448,400/98,915,276
  6. Step 6: Final answer
    x = 231,458,512.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.