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Finding the Third Proportional to 214,725.50 and 315,527

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Solution

The third proportional to 214,725.50 and 315,527 is: 463,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,725.50 : 315,527 = 315,527 : x
  2. Step 2: Convert to fraction form
    214,725.50/315,527 = 315,527/x
  3. Step 3: Cross multiply
    214,725.50x = 315,527 × 315,527
  4. Step 4: Simplify right side
    214,725.50x = 99,557,287,729
  5. Step 5: Solve for x
    x = 99,557,287,729/214,725.50
  6. Step 6: Final answer
    x = 463,649.11

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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.