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Finding the Third Proportional to 212,666.50 and 463,970

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Solution

The third proportional to 212,666.50 and 463,970 is: 1,012,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,666.50 : 463,970 = 463,970 : x
  2. Step 2: Convert to fraction form
    212,666.50/463,970 = 463,970/x
  3. Step 3: Cross multiply
    212,666.50x = 463,970 × 463,970
  4. Step 4: Simplify right side
    212,666.50x = 215,268,160,900
  5. Step 5: Solve for x
    x = 215,268,160,900/212,666.50
  6. Step 6: Final answer
    x = 1,012,233.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.