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Finding the Third Proportional to 564,808.50 and 1,221,390

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Solution

The third proportional to 564,808.50 and 1,221,390 is: 2,641,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,808.50 : 1,221,390 = 1,221,390 : x
  2. Step 2: Convert to fraction form
    564,808.50/1,221,390 = 1,221,390/x
  3. Step 3: Cross multiply
    564,808.50x = 1,221,390 × 1,221,390
  4. Step 4: Simplify right side
    564,808.50x = 1,491,793,532,100
  5. Step 5: Solve for x
    x = 1,491,793,532,100/564,808.50
  6. Step 6: Final answer
    x = 2,641,237.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.