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Finding the Third Proportional to 460,544 and 991,070

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Solution

The third proportional to 460,544 and 991,070 is: 2,132,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,544 : 991,070 = 991,070 : x
  2. Step 2: Convert to fraction form
    460,544/991,070 = 991,070/x
  3. Step 3: Cross multiply
    460,544x = 991,070 × 991,070
  4. Step 4: Simplify right side
    460,544x = 982,219,744,900
  5. Step 5: Solve for x
    x = 982,219,744,900/460,544
  6. Step 6: Final answer
    x = 2,132,738.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.