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Finding the Third Proportional to 245,562 and 528,909

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Solution

The third proportional to 245,562 and 528,909 is: 1,139,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,562 : 528,909 = 528,909 : x
  2. Step 2: Convert to fraction form
    245,562/528,909 = 528,909/x
  3. Step 3: Cross multiply
    245,562x = 528,909 × 528,909
  4. Step 4: Simplify right side
    245,562x = 279,744,730,281
  5. Step 5: Solve for x
    x = 279,744,730,281/245,562
  6. Step 6: Final answer
    x = 1,139,202.04

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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.