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Finding the Third Proportional to 274,448 and 556,528

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Solution

The third proportional to 274,448 and 556,528 is: 1,128,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,448 : 556,528 = 556,528 : x
  2. Step 2: Convert to fraction form
    274,448/556,528 = 556,528/x
  3. Step 3: Cross multiply
    274,448x = 556,528 × 556,528
  4. Step 4: Simplify right side
    274,448x = 309,723,414,784
  5. Step 5: Solve for x
    x = 309,723,414,784/274,448
  6. Step 6: Final answer
    x = 1,128,532.23

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.