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Finding the Third Proportional to 153,786 and 235,090

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Solution

The third proportional to 153,786 and 235,090 is: 359,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,786 : 235,090 = 235,090 : x
  2. Step 2: Convert to fraction form
    153,786/235,090 = 235,090/x
  3. Step 3: Cross multiply
    153,786x = 235,090 × 235,090
  4. Step 4: Simplify right side
    153,786x = 55,267,308,100
  5. Step 5: Solve for x
    x = 55,267,308,100/153,786
  6. Step 6: Final answer
    x = 359,378.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.