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Finding the Third Proportional to 221,673.94 and 343,946.81

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Solution

The third proportional to 221,673.94 and 343,946.81 is: 533,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,673.94 : 343,946.81 = 343,946.81 : x
  2. Step 2: Convert to fraction form
    221,673.94/343,946.81 = 343,946.81/x
  3. Step 3: Cross multiply
    221,673.94x = 343,946.81 × 343,946.81
  4. Step 4: Simplify right side
    221,673.94x = 118,299,409,828.91
  5. Step 5: Solve for x
    x = 118,299,409,828.91/221,673.94
  6. Step 6: Final answer
    x = 533,664.04

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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.