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Finding the Third Proportional to 399,526.50 and 858,344

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Solution

The third proportional to 399,526.50 and 858,344 is: 1,844,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,526.50 : 858,344 = 858,344 : x
  2. Step 2: Convert to fraction form
    399,526.50/858,344 = 858,344/x
  3. Step 3: Cross multiply
    399,526.50x = 858,344 × 858,344
  4. Step 4: Simplify right side
    399,526.50x = 736,754,422,336
  5. Step 5: Solve for x
    x = 736,754,422,336/399,526.50
  6. Step 6: Final answer
    x = 1,844,068.97

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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.