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Finding the Third Proportional to 250,669 and 388,332

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Solution

The third proportional to 250,669 and 388,332 is: 601,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,669 : 388,332 = 388,332 : x
  2. Step 2: Convert to fraction form
    250,669/388,332 = 388,332/x
  3. Step 3: Cross multiply
    250,669x = 388,332 × 388,332
  4. Step 4: Simplify right side
    250,669x = 150,801,742,224
  5. Step 5: Solve for x
    x = 150,801,742,224/250,669
  6. Step 6: Final answer
    x = 601,597.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.