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Finding the Third Proportional to 518,117.50 and 799,316.50

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Solution

The third proportional to 518,117.50 and 799,316.50 is: 1,233,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,117.50 : 799,316.50 = 799,316.50 : x
  2. Step 2: Convert to fraction form
    518,117.50/799,316.50 = 799,316.50/x
  3. Step 3: Cross multiply
    518,117.50x = 799,316.50 × 799,316.50
  4. Step 4: Simplify right side
    518,117.50x = 638,906,867,172.25
  5. Step 5: Solve for x
    x = 638,906,867,172.25/518,117.50
  6. Step 6: Final answer
    x = 1,233,131.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.