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Finding the Third Proportional to 571,915 and 1,129,475

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Solution

The third proportional to 571,915 and 1,129,475 is: 2,230,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,915 : 1,129,475 = 1,129,475 : x
  2. Step 2: Convert to fraction form
    571,915/1,129,475 = 1,129,475/x
  3. Step 3: Cross multiply
    571,915x = 1,129,475 × 1,129,475
  4. Step 4: Simplify right side
    571,915x = 1,275,713,775,625
  5. Step 5: Solve for x
    x = 1,275,713,775,625/571,915
  6. Step 6: Final answer
    x = 2,230,600.31

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.