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Finding the Third Proportional to 180,810 and 393,332

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Solution

The third proportional to 180,810 and 393,332 is: 855,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,810 : 393,332 = 393,332 : x
  2. Step 2: Convert to fraction form
    180,810/393,332 = 393,332/x
  3. Step 3: Cross multiply
    180,810x = 393,332 × 393,332
  4. Step 4: Simplify right side
    180,810x = 154,710,062,224
  5. Step 5: Solve for x
    x = 154,710,062,224/180,810
  6. Step 6: Final answer
    x = 855,649.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.