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Finding the Third Proportional to 276,636 and 603,528

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Solution

The third proportional to 276,636 and 603,528 is: 1,316,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,636 : 603,528 = 603,528 : x
  2. Step 2: Convert to fraction form
    276,636/603,528 = 603,528/x
  3. Step 3: Cross multiply
    276,636x = 603,528 × 603,528
  4. Step 4: Simplify right side
    276,636x = 364,246,046,784
  5. Step 5: Solve for x
    x = 364,246,046,784/276,636
  6. Step 6: Final answer
    x = 1,316,697.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.