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Finding the Third Proportional to 858,272 and 1,261,130

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Solution

The third proportional to 858,272 and 1,261,130 is: 1,853,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,272 : 1,261,130 = 1,261,130 : x
  2. Step 2: Convert to fraction form
    858,272/1,261,130 = 1,261,130/x
  3. Step 3: Cross multiply
    858,272x = 1,261,130 × 1,261,130
  4. Step 4: Simplify right side
    858,272x = 1,590,448,876,900
  5. Step 5: Solve for x
    x = 1,590,448,876,900/858,272
  6. Step 6: Final answer
    x = 1,853,082.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.