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Finding the Third Proportional to 91,971,076 and 127,877,190

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Solution

The third proportional to 91,971,076 and 127,877,190 is: 177,801,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,971,076 : 127,877,190 = 127,877,190 : x
  2. Step 2: Convert to fraction form
    91,971,076/127,877,190 = 127,877,190/x
  3. Step 3: Cross multiply
    91,971,076x = 127,877,190 × 127,877,190
  4. Step 4: Simplify right side
    91,971,076x = 16,352,575,722,296,100
  5. Step 5: Solve for x
    x = 16,352,575,722,296,100/91,971,076
  6. Step 6: Final answer
    x = 177,801,287.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.