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Finding the Third Proportional to 239,340 and 486,528

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Solution

The third proportional to 239,340 and 486,528 is: 989,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,340 : 486,528 = 486,528 : x
  2. Step 2: Convert to fraction form
    239,340/486,528 = 486,528/x
  3. Step 3: Cross multiply
    239,340x = 486,528 × 486,528
  4. Step 4: Simplify right side
    239,340x = 236,709,494,784
  5. Step 5: Solve for x
    x = 236,709,494,784/239,340
  6. Step 6: Final answer
    x = 989,009.34

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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.