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Finding the Third Proportional to 453,370 and 988,140

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Solution

The third proportional to 453,370 and 988,140 is: 2,153,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,370 : 988,140 = 988,140 : x
  2. Step 2: Convert to fraction form
    453,370/988,140 = 988,140/x
  3. Step 3: Cross multiply
    453,370x = 988,140 × 988,140
  4. Step 4: Simplify right side
    453,370x = 976,420,659,600
  5. Step 5: Solve for x
    x = 976,420,659,600/453,370
  6. Step 6: Final answer
    x = 2,153,694.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.