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Finding the Third Proportional to 858,273.75 and 1,298,459.25

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Solution

The third proportional to 858,273.75 and 1,298,459.25 is: 1,964,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,273.75 : 1,298,459.25 = 1,298,459.25 : x
  2. Step 2: Convert to fraction form
    858,273.75/1,298,459.25 = 1,298,459.25/x
  3. Step 3: Cross multiply
    858,273.75x = 1,298,459.25 × 1,298,459.25
  4. Step 4: Simplify right side
    858,273.75x = 1,685,996,423,910.56
  5. Step 5: Solve for x
    x = 1,685,996,423,910.56/858,273.75
  6. Step 6: Final answer
    x = 1,964,404.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.