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Finding the Third Proportional to 210,691.50 and 460,795.50

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Solution

The third proportional to 210,691.50 and 460,795.50 is: 1,007,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,691.50 : 460,795.50 = 460,795.50 : x
  2. Step 2: Convert to fraction form
    210,691.50/460,795.50 = 460,795.50/x
  3. Step 3: Cross multiply
    210,691.50x = 460,795.50 × 460,795.50
  4. Step 4: Simplify right side
    210,691.50x = 212,332,492,820.25
  5. Step 5: Solve for x
    x = 212,332,492,820.25/210,691.50
  6. Step 6: Final answer
    x = 1,007,788.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.