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Finding the Third Proportional to 258,121.50 and 607,291.50

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Solution

The third proportional to 258,121.50 and 607,291.50 is: 1,428,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,121.50 : 607,291.50 = 607,291.50 : x
  2. Step 2: Convert to fraction form
    258,121.50/607,291.50 = 607,291.50/x
  3. Step 3: Cross multiply
    258,121.50x = 607,291.50 × 607,291.50
  4. Step 4: Simplify right side
    258,121.50x = 368,802,965,972.25
  5. Step 5: Solve for x
    x = 368,802,965,972.25/258,121.50
  6. Step 6: Final answer
    x = 1,428,796.00

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.