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Finding the Third Proportional to 581,100 and 871,620

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Solution

The third proportional to 581,100 and 871,620 is: 1,307,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,100 : 871,620 = 871,620 : x
  2. Step 2: Convert to fraction form
    581,100/871,620 = 871,620/x
  3. Step 3: Cross multiply
    581,100x = 871,620 × 871,620
  4. Step 4: Simplify right side
    581,100x = 759,721,424,400
  5. Step 5: Solve for x
    x = 759,721,424,400/581,100
  6. Step 6: Final answer
    x = 1,307,385.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.