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Finding the Third Proportional to 638,828 and 958,258

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Solution

The third proportional to 638,828 and 958,258 is: 1,437,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,828 : 958,258 = 958,258 : x
  2. Step 2: Convert to fraction form
    638,828/958,258 = 958,258/x
  3. Step 3: Cross multiply
    638,828x = 958,258 × 958,258
  4. Step 4: Simplify right side
    638,828x = 918,258,394,564
  5. Step 5: Solve for x
    x = 918,258,394,564/638,828
  6. Step 6: Final answer
    x = 1,437,411.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.