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Finding the Third Proportional to 610,203.75 and 1,312,241.25

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Solution

The third proportional to 610,203.75 and 1,312,241.25 is: 2,821,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,203.75 : 1,312,241.25 = 1,312,241.25 : x
  2. Step 2: Convert to fraction form
    610,203.75/1,312,241.25 = 1,312,241.25/x
  3. Step 3: Cross multiply
    610,203.75x = 1,312,241.25 × 1,312,241.25
  4. Step 4: Simplify right side
    610,203.75x = 1,721,977,098,201.56
  5. Step 5: Solve for x
    x = 1,721,977,098,201.56/610,203.75
  6. Step 6: Final answer
    x = 2,821,970.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.