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Finding the Third Proportional to 115,191,405.75 and 253,862,489

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Solution

The third proportional to 115,191,405.75 and 253,862,489 is: 559,470,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,191,405.75 : 253,862,489 = 253,862,489 : x
  2. Step 2: Convert to fraction form
    115,191,405.75/253,862,489 = 253,862,489/x
  3. Step 3: Cross multiply
    115,191,405.75x = 253,862,489 × 253,862,489
  4. Step 4: Simplify right side
    115,191,405.75x = 64,446,163,321,275,120
  5. Step 5: Solve for x
    x = 64,446,163,321,275,120/115,191,405.75
  6. Step 6: Final answer
    x = 559,470,239.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.