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Finding the Third Proportional to 265,130 and 401,553

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Solution

The third proportional to 265,130 and 401,553 is: 608,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,130 : 401,553 = 401,553 : x
  2. Step 2: Convert to fraction form
    265,130/401,553 = 401,553/x
  3. Step 3: Cross multiply
    265,130x = 401,553 × 401,553
  4. Step 4: Simplify right side
    265,130x = 161,244,811,809
  5. Step 5: Solve for x
    x = 161,244,811,809/265,130
  6. Step 6: Final answer
    x = 608,172.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.