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Finding the Third Proportional to 333,386 and 718,890

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Solution

The third proportional to 333,386 and 718,890 is: 1,550,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,386 : 718,890 = 718,890 : x
  2. Step 2: Convert to fraction form
    333,386/718,890 = 718,890/x
  3. Step 3: Cross multiply
    333,386x = 718,890 × 718,890
  4. Step 4: Simplify right side
    333,386x = 516,802,832,100
  5. Step 5: Solve for x
    x = 516,802,832,100/333,386
  6. Step 6: Final answer
    x = 1,550,163.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.