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Finding the Third Proportional to 143,056.13 and 210,200.06

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Solution

The third proportional to 143,056.13 and 210,200.06 is: 308,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,056.13 : 210,200.06 = 210,200.06 : x
  2. Step 2: Convert to fraction form
    143,056.13/210,200.06 = 210,200.06/x
  3. Step 3: Cross multiply
    143,056.13x = 210,200.06 × 210,200.06
  4. Step 4: Simplify right side
    143,056.13x = 44,184,066,275.00
  5. Step 5: Solve for x
    x = 44,184,066,275.00/143,056.13
  6. Step 6: Final answer
    x = 308,858.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.