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Finding the Third Proportional to 606,792 and 1,330,221

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Solution

The third proportional to 606,792 and 1,330,221 is: 2,916,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,792 : 1,330,221 = 1,330,221 : x
  2. Step 2: Convert to fraction form
    606,792/1,330,221 = 1,330,221/x
  3. Step 3: Cross multiply
    606,792x = 1,330,221 × 1,330,221
  4. Step 4: Simplify right side
    606,792x = 1,769,487,908,841
  5. Step 5: Solve for x
    x = 1,769,487,908,841/606,792
  6. Step 6: Final answer
    x = 2,916,135.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.