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Finding the Third Proportional to 633,650 and 921,939

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Solution

The third proportional to 633,650 and 921,939 is: 1,341,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,650 : 921,939 = 921,939 : x
  2. Step 2: Convert to fraction form
    633,650/921,939 = 921,939/x
  3. Step 3: Cross multiply
    633,650x = 921,939 × 921,939
  4. Step 4: Simplify right side
    633,650x = 849,971,519,721
  5. Step 5: Solve for x
    x = 849,971,519,721/633,650
  6. Step 6: Final answer
    x = 1,341,389.60

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.