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Finding the Third Proportional to 490,536 and 695,628

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Solution

The third proportional to 490,536 and 695,628 is: 986,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,536 : 695,628 = 695,628 : x
  2. Step 2: Convert to fraction form
    490,536/695,628 = 695,628/x
  3. Step 3: Cross multiply
    490,536x = 695,628 × 695,628
  4. Step 4: Simplify right side
    490,536x = 483,898,314,384
  5. Step 5: Solve for x
    x = 483,898,314,384/490,536
  6. Step 6: Final answer
    x = 986,468.50

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.