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Finding the Third Proportional to 153,942,112 and 331,946,720

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Solution

The third proportional to 153,942,112 and 331,946,720 is: 715,779,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,942,112 : 331,946,720 = 331,946,720 : x
  2. Step 2: Convert to fraction form
    153,942,112/331,946,720 = 331,946,720/x
  3. Step 3: Cross multiply
    153,942,112x = 331,946,720 × 331,946,720
  4. Step 4: Simplify right side
    153,942,112x = 110,188,624,918,758,400
  5. Step 5: Solve for x
    x = 110,188,624,918,758,400/153,942,112
  6. Step 6: Final answer
    x = 715,779,610.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.