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Finding the Third Proportional to 577,762.88 and 1,288,294.88

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Solution

The third proportional to 577,762.88 and 1,288,294.88 is: 2,872,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,762.88 : 1,288,294.88 = 1,288,294.88 : x
  2. Step 2: Convert to fraction form
    577,762.88/1,288,294.88 = 1,288,294.88/x
  3. Step 3: Cross multiply
    577,762.88x = 1,288,294.88 × 1,288,294.88
  4. Step 4: Simplify right side
    577,762.88x = 1,659,703,684,951.27
  5. Step 5: Solve for x
    x = 1,659,703,684,951.27/577,762.88
  6. Step 6: Final answer
    x = 2,872,638.16

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.