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Finding the Third Proportional to 189,445.50 and 292,612.50

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Solution

The third proportional to 189,445.50 and 292,612.50 is: 451,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,445.50 : 292,612.50 = 292,612.50 : x
  2. Step 2: Convert to fraction form
    189,445.50/292,612.50 = 292,612.50/x
  3. Step 3: Cross multiply
    189,445.50x = 292,612.50 × 292,612.50
  4. Step 4: Simplify right side
    189,445.50x = 85,622,075,156.25
  5. Step 5: Solve for x
    x = 85,622,075,156.25/189,445.50
  6. Step 6: Final answer
    x = 451,961.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.