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Finding the Third Proportional to 155,527.50 and 343,887

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Solution

The third proportional to 155,527.50 and 343,887 is: 760,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,527.50 : 343,887 = 343,887 : x
  2. Step 2: Convert to fraction form
    155,527.50/343,887 = 343,887/x
  3. Step 3: Cross multiply
    155,527.50x = 343,887 × 343,887
  4. Step 4: Simplify right side
    155,527.50x = 118,258,268,769
  5. Step 5: Solve for x
    x = 118,258,268,769/155,527.50
  6. Step 6: Final answer
    x = 760,368.87

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.