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Finding the Third Proportional to 571,407 and 1,228,809

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Solution

The third proportional to 571,407 and 1,228,809 is: 2,642,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,407 : 1,228,809 = 1,228,809 : x
  2. Step 2: Convert to fraction form
    571,407/1,228,809 = 1,228,809/x
  3. Step 3: Cross multiply
    571,407x = 1,228,809 × 1,228,809
  4. Step 4: Simplify right side
    571,407x = 1,509,971,558,481
  5. Step 5: Solve for x
    x = 1,509,971,558,481/571,407
  6. Step 6: Final answer
    x = 2,642,549.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.