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Finding the Third Proportional to 360,803 and 783,090

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Solution

The third proportional to 360,803 and 783,090 is: 1,699,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803 : 783,090 = 783,090 : x
  2. Step 2: Convert to fraction form
    360,803/783,090 = 783,090/x
  3. Step 3: Cross multiply
    360,803x = 783,090 × 783,090
  4. Step 4: Simplify right side
    360,803x = 613,229,948,100
  5. Step 5: Solve for x
    x = 613,229,948,100/360,803
  6. Step 6: Final answer
    x = 1,699,625.41

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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.