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Finding the Third Proportional to 415,854 and 846,780.75

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Solution

The third proportional to 415,854 and 846,780.75 is: 1,724,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,854 : 846,780.75 = 846,780.75 : x
  2. Step 2: Convert to fraction form
    415,854/846,780.75 = 846,780.75/x
  3. Step 3: Cross multiply
    415,854x = 846,780.75 × 846,780.75
  4. Step 4: Simplify right side
    415,854x = 717,037,638,570.56
  5. Step 5: Solve for x
    x = 717,037,638,570.56/415,854
  6. Step 6: Final answer
    x = 1,724,253.32

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.