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Finding the Third Proportional to 528,867 and 805,696.50

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Solution

The third proportional to 528,867 and 805,696.50 is: 1,227,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,867 : 805,696.50 = 805,696.50 : x
  2. Step 2: Convert to fraction form
    528,867/805,696.50 = 805,696.50/x
  3. Step 3: Cross multiply
    528,867x = 805,696.50 × 805,696.50
  4. Step 4: Simplify right side
    528,867x = 649,146,850,112.25
  5. Step 5: Solve for x
    x = 649,146,850,112.25/528,867
  6. Step 6: Final answer
    x = 1,227,429.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.