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Finding the Third Proportional to 578,808 and 1,251,190

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Solution

The third proportional to 578,808 and 1,251,190 is: 2,704,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,808 : 1,251,190 = 1,251,190 : x
  2. Step 2: Convert to fraction form
    578,808/1,251,190 = 1,251,190/x
  3. Step 3: Cross multiply
    578,808x = 1,251,190 × 1,251,190
  4. Step 4: Simplify right side
    578,808x = 1,565,476,416,100
  5. Step 5: Solve for x
    x = 1,565,476,416,100/578,808
  6. Step 6: Final answer
    x = 2,704,655.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.