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Finding the Third Proportional to 342,630 and 744,066

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Solution

The third proportional to 342,630 and 744,066 is: 1,615,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,630 : 744,066 = 744,066 : x
  2. Step 2: Convert to fraction form
    342,630/744,066 = 744,066/x
  3. Step 3: Cross multiply
    342,630x = 744,066 × 744,066
  4. Step 4: Simplify right side
    342,630x = 553,634,212,356
  5. Step 5: Solve for x
    x = 553,634,212,356/342,630
  6. Step 6: Final answer
    x = 1,615,836.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.