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Finding the Third Proportional to 254,062,488 and 388,395,684

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Solution

The third proportional to 254,062,488 and 388,395,684 is: 593,756,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,062,488 : 388,395,684 = 388,395,684 : x
  2. Step 2: Convert to fraction form
    254,062,488/388,395,684 = 388,395,684/x
  3. Step 3: Cross multiply
    254,062,488x = 388,395,684 × 388,395,684
  4. Step 4: Simplify right side
    254,062,488x = 150,851,207,349,827,840
  5. Step 5: Solve for x
    x = 150,851,207,349,827,840/254,062,488
  6. Step 6: Final answer
    x = 593,756,317.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.