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Finding the Third Proportional to 343,626.75 and 505,141.88

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Solution

The third proportional to 343,626.75 and 505,141.88 is: 742,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,626.75 : 505,141.88 = 505,141.88 : x
  2. Step 2: Convert to fraction form
    343,626.75/505,141.88 = 505,141.88/x
  3. Step 3: Cross multiply
    343,626.75x = 505,141.88 × 505,141.88
  4. Step 4: Simplify right side
    343,626.75x = 255,168,313,878.52
  5. Step 5: Solve for x
    x = 255,168,313,878.52/343,626.75
  6. Step 6: Final answer
    x = 742,574.07

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.