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Finding the Third Proportional to 122,953.50 and 265,284

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Solution

The third proportional to 122,953.50 and 265,284 is: 572,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,953.50 : 265,284 = 265,284 : x
  2. Step 2: Convert to fraction form
    122,953.50/265,284 = 265,284/x
  3. Step 3: Cross multiply
    122,953.50x = 265,284 × 265,284
  4. Step 4: Simplify right side
    122,953.50x = 70,375,600,656
  5. Step 5: Solve for x
    x = 70,375,600,656/122,953.50
  6. Step 6: Final answer
    x = 572,375.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.