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Finding the Third Proportional to 1,666,860 and 2,489,310

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Solution

The third proportional to 1,666,860 and 2,489,310 is: 3,717,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,860 : 2,489,310 = 2,489,310 : x
  2. Step 2: Convert to fraction form
    1,666,860/2,489,310 = 2,489,310/x
  3. Step 3: Cross multiply
    1,666,860x = 2,489,310 × 2,489,310
  4. Step 4: Simplify right side
    1,666,860x = 6,196,664,276,100
  5. Step 5: Solve for x
    x = 6,196,664,276,100/1,666,860
  6. Step 6: Final answer
    x = 3,717,567.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.