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Finding the Third Proportional to 915,540.50 and 1,988,702

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Solution

The third proportional to 915,540.50 and 1,988,702 is: 4,319,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,540.50 : 1,988,702 = 1,988,702 : x
  2. Step 2: Convert to fraction form
    915,540.50/1,988,702 = 1,988,702/x
  3. Step 3: Cross multiply
    915,540.50x = 1,988,702 × 1,988,702
  4. Step 4: Simplify right side
    915,540.50x = 3,954,935,644,804
  5. Step 5: Solve for x
    x = 3,954,935,644,804/915,540.50
  6. Step 6: Final answer
    x = 4,319,782.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.