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Finding the Third Proportional to 288,277.50 and 620,841

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Solution

The third proportional to 288,277.50 and 620,841 is: 1,337,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,277.50 : 620,841 = 620,841 : x
  2. Step 2: Convert to fraction form
    288,277.50/620,841 = 620,841/x
  3. Step 3: Cross multiply
    288,277.50x = 620,841 × 620,841
  4. Step 4: Simplify right side
    288,277.50x = 385,443,547,281
  5. Step 5: Solve for x
    x = 385,443,547,281/288,277.50
  6. Step 6: Final answer
    x = 1,337,057.34

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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.