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Finding the Third Proportional to 157,545 and 345,702.75

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Solution

The third proportional to 157,545 and 345,702.75 is: 758,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,545 : 345,702.75 = 345,702.75 : x
  2. Step 2: Convert to fraction form
    157,545/345,702.75 = 345,702.75/x
  3. Step 3: Cross multiply
    157,545x = 345,702.75 × 345,702.75
  4. Step 4: Simplify right side
    157,545x = 119,510,391,357.56
  5. Step 5: Solve for x
    x = 119,510,391,357.56/157,545
  6. Step 6: Final answer
    x = 758,579.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.