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Finding the Third Proportional to 314,288 and 486,548

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Solution

The third proportional to 314,288 and 486,548 is: 753,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,288 : 486,548 = 486,548 : x
  2. Step 2: Convert to fraction form
    314,288/486,548 = 486,548/x
  3. Step 3: Cross multiply
    314,288x = 486,548 × 486,548
  4. Step 4: Simplify right side
    314,288x = 236,728,956,304
  5. Step 5: Solve for x
    x = 236,728,956,304/314,288
  6. Step 6: Final answer
    x = 753,223.02

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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.