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Finding the Third Proportional to 602,308 and 802,991

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Solution

The third proportional to 602,308 and 802,991 is: 1,070,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,308 : 802,991 = 802,991 : x
  2. Step 2: Convert to fraction form
    602,308/802,991 = 802,991/x
  3. Step 3: Cross multiply
    602,308x = 802,991 × 802,991
  4. Step 4: Simplify right side
    602,308x = 644,794,546,081
  5. Step 5: Solve for x
    x = 644,794,546,081/602,308
  6. Step 6: Final answer
    x = 1,070,539.57

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.