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Finding the Third Proportional to 295,446 and 626,340

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Solution

The third proportional to 295,446 and 626,340 is: 1,327,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,446 : 626,340 = 626,340 : x
  2. Step 2: Convert to fraction form
    295,446/626,340 = 626,340/x
  3. Step 3: Cross multiply
    295,446x = 626,340 × 626,340
  4. Step 4: Simplify right side
    295,446x = 392,301,795,600
  5. Step 5: Solve for x
    x = 392,301,795,600/295,446
  6. Step 6: Final answer
    x = 1,327,829.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.