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Finding the Third Proportional to 1,225,807 and 1,890,407

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Solution

The third proportional to 1,225,807 and 1,890,407 is: 2,915,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,807 : 1,890,407 = 1,890,407 : x
  2. Step 2: Convert to fraction form
    1,225,807/1,890,407 = 1,890,407/x
  3. Step 3: Cross multiply
    1,225,807x = 1,890,407 × 1,890,407
  4. Step 4: Simplify right side
    1,225,807x = 3,573,638,625,649
  5. Step 5: Solve for x
    x = 3,573,638,625,649/1,225,807
  6. Step 6: Final answer
    x = 2,915,335.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.