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Finding the Third Proportional to 424,258 and 914,902

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Solution

The third proportional to 424,258 and 914,902 is: 1,972,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,258 : 914,902 = 914,902 : x
  2. Step 2: Convert to fraction form
    424,258/914,902 = 914,902/x
  3. Step 3: Cross multiply
    424,258x = 914,902 × 914,902
  4. Step 4: Simplify right side
    424,258x = 837,045,669,604
  5. Step 5: Solve for x
    x = 837,045,669,604/424,258
  6. Step 6: Final answer
    x = 1,972,963.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.