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Finding the Third Proportional to 254,342 and 553,072

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Solution

The third proportional to 254,342 and 553,072 is: 1,202,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,342 : 553,072 = 553,072 : x
  2. Step 2: Convert to fraction form
    254,342/553,072 = 553,072/x
  3. Step 3: Cross multiply
    254,342x = 553,072 × 553,072
  4. Step 4: Simplify right side
    254,342x = 305,888,637,184
  5. Step 5: Solve for x
    x = 305,888,637,184/254,342
  6. Step 6: Final answer
    x = 1,202,666.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.