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Finding the Third Proportional to 415,554 and 897,564

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Solution

The third proportional to 415,554 and 897,564 is: 1,938,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,554 : 897,564 = 897,564 : x
  2. Step 2: Convert to fraction form
    415,554/897,564 = 897,564/x
  3. Step 3: Cross multiply
    415,554x = 897,564 × 897,564
  4. Step 4: Simplify right side
    415,554x = 805,621,134,096
  5. Step 5: Solve for x
    x = 805,621,134,096/415,554
  6. Step 6: Final answer
    x = 1,938,667.74

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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.