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Finding the Third Proportional to 145,836 and 314,434

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Solution

The third proportional to 145,836 and 314,434 is: 677,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836 : 314,434 = 314,434 : x
  2. Step 2: Convert to fraction form
    145,836/314,434 = 314,434/x
  3. Step 3: Cross multiply
    145,836x = 314,434 × 314,434
  4. Step 4: Simplify right side
    145,836x = 98,868,740,356
  5. Step 5: Solve for x
    x = 98,868,740,356/145,836
  6. Step 6: Final answer
    x = 677,944.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.