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Finding the Third Proportional to 257,575.50 and 560,912.50

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Solution

The third proportional to 257,575.50 and 560,912.50 is: 1,221,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,575.50 : 560,912.50 = 560,912.50 : x
  2. Step 2: Convert to fraction form
    257,575.50/560,912.50 = 560,912.50/x
  3. Step 3: Cross multiply
    257,575.50x = 560,912.50 × 560,912.50
  4. Step 4: Simplify right side
    257,575.50x = 314,622,832,656.25
  5. Step 5: Solve for x
    x = 314,622,832,656.25/257,575.50
  6. Step 6: Final answer
    x = 1,221,478.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.