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Finding the Third Proportional to 275,562 and 435,486.38

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Solution

The third proportional to 275,562 and 435,486.38 is: 688,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,562 : 435,486.38 = 435,486.38 : x
  2. Step 2: Convert to fraction form
    275,562/435,486.38 = 435,486.38/x
  3. Step 3: Cross multiply
    275,562x = 435,486.38 × 435,486.38
  4. Step 4: Simplify right side
    275,562x = 189,648,382,810.64
  5. Step 5: Solve for x
    x = 189,648,382,810.64/275,562
  6. Step 6: Final answer
    x = 688,224.00

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.