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Finding the Third Proportional to 407,120.50 and 562,564.50

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Solution

The third proportional to 407,120.50 and 562,564.50 is: 777,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,120.50 : 562,564.50 = 562,564.50 : x
  2. Step 2: Convert to fraction form
    407,120.50/562,564.50 = 562,564.50/x
  3. Step 3: Cross multiply
    407,120.50x = 562,564.50 × 562,564.50
  4. Step 4: Simplify right side
    407,120.50x = 316,478,816,660.25
  5. Step 5: Solve for x
    x = 316,478,816,660.25/407,120.50
  6. Step 6: Final answer
    x = 777,359.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.