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Finding the Third Proportional to 275,241 and 425,386.50

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Solution

The third proportional to 275,241 and 425,386.50 is: 657,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,241 : 425,386.50 = 425,386.50 : x
  2. Step 2: Convert to fraction form
    275,241/425,386.50 = 425,386.50/x
  3. Step 3: Cross multiply
    275,241x = 425,386.50 × 425,386.50
  4. Step 4: Simplify right side
    275,241x = 180,953,674,382.25
  5. Step 5: Solve for x
    x = 180,953,674,382.25/275,241
  6. Step 6: Final answer
    x = 657,437.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.