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Finding the Third Proportional to 155,260 and 335,312

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Solution

The third proportional to 155,260 and 335,312 is: 724,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,260 : 335,312 = 335,312 : x
  2. Step 2: Convert to fraction form
    155,260/335,312 = 335,312/x
  3. Step 3: Cross multiply
    155,260x = 335,312 × 335,312
  4. Step 4: Simplify right side
    155,260x = 112,434,137,344
  5. Step 5: Solve for x
    x = 112,434,137,344/155,260
  6. Step 6: Final answer
    x = 724,166.80

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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.