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Finding the Third Proportional to 145,535 and 313,202

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Solution

The third proportional to 145,535 and 313,202 is: 674,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,535 : 313,202 = 313,202 : x
  2. Step 2: Convert to fraction form
    145,535/313,202 = 313,202/x
  3. Step 3: Cross multiply
    145,535x = 313,202 × 313,202
  4. Step 4: Simplify right side
    145,535x = 98,095,492,804
  5. Step 5: Solve for x
    x = 98,095,492,804/145,535
  6. Step 6: Final answer
    x = 674,033.69

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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.