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Finding the Third Proportional to 130,996,389 and 196,590,489

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Solution

The third proportional to 130,996,389 and 196,590,489 is: 295,029,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,996,389 : 196,590,489 = 196,590,489 : x
  2. Step 2: Convert to fraction form
    130,996,389/196,590,489 = 196,590,489/x
  3. Step 3: Cross multiply
    130,996,389x = 196,590,489 × 196,590,489
  4. Step 4: Simplify right side
    130,996,389x = 38,647,820,365,259,120
  5. Step 5: Solve for x
    x = 38,647,820,365,259,120/130,996,389
  6. Step 6: Final answer
    x = 295,029,661.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.