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Finding the Third Proportional to 295,574 and 458,609

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Solution

The third proportional to 295,574 and 458,609 is: 711,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,574 : 458,609 = 458,609 : x
  2. Step 2: Convert to fraction form
    295,574/458,609 = 458,609/x
  3. Step 3: Cross multiply
    295,574x = 458,609 × 458,609
  4. Step 4: Simplify right side
    295,574x = 210,322,214,881
  5. Step 5: Solve for x
    x = 210,322,214,881/295,574
  6. Step 6: Final answer
    x = 711,572.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.