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Finding the Third Proportional to 580,659 and 897,220.50

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Solution

The third proportional to 580,659 and 897,220.50 is: 1,386,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,659 : 897,220.50 = 897,220.50 : x
  2. Step 2: Convert to fraction form
    580,659/897,220.50 = 897,220.50/x
  3. Step 3: Cross multiply
    580,659x = 897,220.50 × 897,220.50
  4. Step 4: Simplify right side
    580,659x = 805,004,625,620.25
  5. Step 5: Solve for x
    x = 805,004,625,620.25/580,659
  6. Step 6: Final answer
    x = 1,386,363.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.