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Finding the Third Proportional to 575,454 and 871,177.50

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Solution

The third proportional to 575,454 and 871,177.50 is: 1,318,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,454 : 871,177.50 = 871,177.50 : x
  2. Step 2: Convert to fraction form
    575,454/871,177.50 = 871,177.50/x
  3. Step 3: Cross multiply
    575,454x = 871,177.50 × 871,177.50
  4. Step 4: Simplify right side
    575,454x = 758,950,236,506.25
  5. Step 5: Solve for x
    x = 758,950,236,506.25/575,454
  6. Step 6: Final answer
    x = 1,318,872.12

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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.