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Finding the Third Proportional to 228,556.69 and 348,636.66

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Solution

The third proportional to 228,556.69 and 348,636.66 is: 531,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,556.69 : 348,636.66 = 348,636.66 : x
  2. Step 2: Convert to fraction form
    228,556.69/348,636.66 = 348,636.66/x
  3. Step 3: Cross multiply
    228,556.69x = 348,636.66 × 348,636.66
  4. Step 4: Simplify right side
    228,556.69x = 121,547,518,081.18
  5. Step 5: Solve for x
    x = 121,547,518,081.18/228,556.69
  6. Step 6: Final answer
    x = 531,804.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.