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Finding the Third Proportional to 374,686.50 and 507,900.75

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Solution

The third proportional to 374,686.50 and 507,900.75 is: 688,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,686.50 : 507,900.75 = 507,900.75 : x
  2. Step 2: Convert to fraction form
    374,686.50/507,900.75 = 507,900.75/x
  3. Step 3: Cross multiply
    374,686.50x = 507,900.75 × 507,900.75
  4. Step 4: Simplify right side
    374,686.50x = 257,963,171,850.56
  5. Step 5: Solve for x
    x = 257,963,171,850.56/374,686.50
  6. Step 6: Final answer
    x = 688,477.36

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.