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Finding the Third Proportional to 620,440.50 and 934,354.50

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Solution

The third proportional to 620,440.50 and 934,354.50 is: 1,407,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,440.50 : 934,354.50 = 934,354.50 : x
  2. Step 2: Convert to fraction form
    620,440.50/934,354.50 = 934,354.50/x
  3. Step 3: Cross multiply
    620,440.50x = 934,354.50 × 934,354.50
  4. Step 4: Simplify right side
    620,440.50x = 873,018,331,670.25
  5. Step 5: Solve for x
    x = 873,018,331,670.25/620,440.50
  6. Step 6: Final answer
    x = 1,407,094.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.