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Finding the Third Proportional to 369,688 and 528,274

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Solution

The third proportional to 369,688 and 528,274 is: 754,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,688 : 528,274 = 528,274 : x
  2. Step 2: Convert to fraction form
    369,688/528,274 = 528,274/x
  3. Step 3: Cross multiply
    369,688x = 528,274 × 528,274
  4. Step 4: Simplify right side
    369,688x = 279,073,419,076
  5. Step 5: Solve for x
    x = 279,073,419,076/369,688
  6. Step 6: Final answer
    x = 754,889.04

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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.