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Finding the Third Proportional to 575,423 and 871,131

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Solution

The third proportional to 575,423 and 871,131 is: 1,318,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,423 : 871,131 = 871,131 : x
  2. Step 2: Convert to fraction form
    575,423/871,131 = 871,131/x
  3. Step 3: Cross multiply
    575,423x = 871,131 × 871,131
  4. Step 4: Simplify right side
    575,423x = 758,869,219,161
  5. Step 5: Solve for x
    x = 758,869,219,161/575,423
  6. Step 6: Final answer
    x = 1,318,802.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.