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Finding the Third Proportional to 296,632 and 459,690

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Solution

The third proportional to 296,632 and 459,690 is: 712,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,632 : 459,690 = 459,690 : x
  2. Step 2: Convert to fraction form
    296,632/459,690 = 459,690/x
  3. Step 3: Cross multiply
    296,632x = 459,690 × 459,690
  4. Step 4: Simplify right side
    296,632x = 211,314,896,100
  5. Step 5: Solve for x
    x = 211,314,896,100/296,632
  6. Step 6: Final answer
    x = 712,380.65

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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.