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Finding the Third Proportional to 621,040 and 1,337,214

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Solution

The third proportional to 621,040 and 1,337,214 is: 2,879,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,040 : 1,337,214 = 1,337,214 : x
  2. Step 2: Convert to fraction form
    621,040/1,337,214 = 1,337,214/x
  3. Step 3: Cross multiply
    621,040x = 1,337,214 × 1,337,214
  4. Step 4: Simplify right side
    621,040x = 1,788,141,281,796
  5. Step 5: Solve for x
    x = 1,788,141,281,796/621,040
  6. Step 6: Final answer
    x = 2,879,269.10

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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.