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Finding the Third Proportional to 157,838.63 and 345,205.13

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Solution

The third proportional to 157,838.63 and 345,205.13 is: 754,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,838.63 : 345,205.13 = 345,205.13 : x
  2. Step 2: Convert to fraction form
    157,838.63/345,205.13 = 345,205.13/x
  3. Step 3: Cross multiply
    157,838.63x = 345,205.13 × 345,205.13
  4. Step 4: Simplify right side
    157,838.63x = 119,166,578,326.27
  5. Step 5: Solve for x
    x = 119,166,578,326.27/157,838.63
  6. Step 6: Final answer
    x = 754,989.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.