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Finding the Third Proportional to 301,323 and 455,872.50

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Solution

The third proportional to 301,323 and 455,872.50 is: 689,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,323 : 455,872.50 = 455,872.50 : x
  2. Step 2: Convert to fraction form
    301,323/455,872.50 = 455,872.50/x
  3. Step 3: Cross multiply
    301,323x = 455,872.50 × 455,872.50
  4. Step 4: Simplify right side
    301,323x = 207,819,736,256.25
  5. Step 5: Solve for x
    x = 207,819,736,256.25/301,323
  6. Step 6: Final answer
    x = 689,690.92

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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.