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Finding the Third Proportional to 115,046,433 and 155,485,775

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Solution

The third proportional to 115,046,433 and 155,485,775 is: 210,139,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046,433 : 155,485,775 = 155,485,775 : x
  2. Step 2: Convert to fraction form
    115,046,433/155,485,775 = 155,485,775/x
  3. Step 3: Cross multiply
    115,046,433x = 155,485,775 × 155,485,775
  4. Step 4: Simplify right side
    115,046,433x = 24,175,826,227,350,624
  5. Step 5: Solve for x
    x = 24,175,826,227,350,624/115,046,433
  6. Step 6: Final answer
    x = 210,139,728.78

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.