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Finding the Third Proportional to 256,112.51 and 375,865.00

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Solution

The third proportional to 256,112.51 and 375,865.00 is: 551,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,112.51 : 375,865.00 = 375,865.00 : x
  2. Step 2: Convert to fraction form
    256,112.51/375,865.00 = 375,865.00/x
  3. Step 3: Cross multiply
    256,112.51x = 375,865.00 × 375,865.00
  4. Step 4: Simplify right side
    256,112.51x = 141,274,495,288.56
  5. Step 5: Solve for x
    x = 141,274,495,288.56/256,112.51
  6. Step 6: Final answer
    x = 551,611.07

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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.