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Finding the Third Proportional to 252,528 and 552,558

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Solution

The third proportional to 252,528 and 552,558 is: 1,209,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,528 : 552,558 = 552,558 : x
  2. Step 2: Convert to fraction form
    252,528/552,558 = 552,558/x
  3. Step 3: Cross multiply
    252,528x = 552,558 × 552,558
  4. Step 4: Simplify right side
    252,528x = 305,320,343,364
  5. Step 5: Solve for x
    x = 305,320,343,364/252,528
  6. Step 6: Final answer
    x = 1,209,055.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.