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Finding the Third Proportional to 374,912.30 and 535,746.66

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Solution

The third proportional to 374,912.30 and 535,746.66 is: 765,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,912.30 : 535,746.66 = 535,746.66 : x
  2. Step 2: Convert to fraction form
    374,912.30/535,746.66 = 535,746.66/x
  3. Step 3: Cross multiply
    374,912.30x = 535,746.66 × 535,746.66
  4. Step 4: Simplify right side
    374,912.30x = 287,024,479,683.06
  5. Step 5: Solve for x
    x = 287,024,479,683.06/374,912.30
  6. Step 6: Final answer
    x = 765,577.66

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.