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Finding the Third Proportional to 602,390 and 1,254,720

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Solution

The third proportional to 602,390 and 1,254,720 is: 2,613,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,390 : 1,254,720 = 1,254,720 : x
  2. Step 2: Convert to fraction form
    602,390/1,254,720 = 1,254,720/x
  3. Step 3: Cross multiply
    602,390x = 1,254,720 × 1,254,720
  4. Step 4: Simplify right side
    602,390x = 1,574,322,278,400
  5. Step 5: Solve for x
    x = 1,574,322,278,400/602,390
  6. Step 6: Final answer
    x = 2,613,460.18

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.