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Finding the Third Proportional to 274,866 and 583,428

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Solution

The third proportional to 274,866 and 583,428 is: 1,238,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,866 : 583,428 = 583,428 : x
  2. Step 2: Convert to fraction form
    274,866/583,428 = 583,428/x
  3. Step 3: Cross multiply
    274,866x = 583,428 × 583,428
  4. Step 4: Simplify right side
    274,866x = 340,388,231,184
  5. Step 5: Solve for x
    x = 340,388,231,184/274,866
  6. Step 6: Final answer
    x = 1,238,378.81

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.