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Finding the Third Proportional to 366,948 and 561,365

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Solution

The third proportional to 366,948 and 561,365 is: 858,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948 : 561,365 = 561,365 : x
  2. Step 2: Convert to fraction form
    366,948/561,365 = 561,365/x
  3. Step 3: Cross multiply
    366,948x = 561,365 × 561,365
  4. Step 4: Simplify right side
    366,948x = 315,130,663,225
  5. Step 5: Solve for x
    x = 315,130,663,225/366,948
  6. Step 6: Final answer
    x = 858,788.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.