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Finding the Third Proportional to 157,639 and 335,726

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Solution

The third proportional to 157,639 and 335,726 is: 715,000.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,639 : 335,726 = 335,726 : x
  2. Step 2: Convert to fraction form
    157,639/335,726 = 335,726/x
  3. Step 3: Cross multiply
    157,639x = 335,726 × 335,726
  4. Step 4: Simplify right side
    157,639x = 112,711,947,076
  5. Step 5: Solve for x
    x = 112,711,947,076/157,639
  6. Step 6: Final answer
    x = 715,000.39

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.