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Finding the Third Proportional to 559,654 and 1,221,781

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Solution

The third proportional to 559,654 and 1,221,781 is: 2,667,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,654 : 1,221,781 = 1,221,781 : x
  2. Step 2: Convert to fraction form
    559,654/1,221,781 = 1,221,781/x
  3. Step 3: Cross multiply
    559,654x = 1,221,781 × 1,221,781
  4. Step 4: Simplify right side
    559,654x = 1,492,748,811,961
  5. Step 5: Solve for x
    x = 1,492,748,811,961/559,654
  6. Step 6: Final answer
    x = 2,667,270.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.