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Finding the Third Proportional to 245,862 and 531,090

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Solution

The third proportional to 245,862 and 531,090 is: 1,147,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862 : 531,090 = 531,090 : x
  2. Step 2: Convert to fraction form
    245,862/531,090 = 531,090/x
  3. Step 3: Cross multiply
    245,862x = 531,090 × 531,090
  4. Step 4: Simplify right side
    245,862x = 282,056,588,100
  5. Step 5: Solve for x
    x = 282,056,588,100/245,862
  6. Step 6: Final answer
    x = 1,147,215.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.