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Finding the Third Proportional to 871,309.50 and 1,880,280

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Solution

The third proportional to 871,309.50 and 1,880,280 is: 4,057,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,309.50 : 1,880,280 = 1,880,280 : x
  2. Step 2: Convert to fraction form
    871,309.50/1,880,280 = 1,880,280/x
  3. Step 3: Cross multiply
    871,309.50x = 1,880,280 × 1,880,280
  4. Step 4: Simplify right side
    871,309.50x = 3,535,452,878,400
  5. Step 5: Solve for x
    x = 3,535,452,878,400/871,309.50
  6. Step 6: Final answer
    x = 4,057,631.51

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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.