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Finding the Third Proportional to 307,148 and 465,020

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Solution

The third proportional to 307,148 and 465,020 is: 704,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,148 : 465,020 = 465,020 : x
  2. Step 2: Convert to fraction form
    307,148/465,020 = 465,020/x
  3. Step 3: Cross multiply
    307,148x = 465,020 × 465,020
  4. Step 4: Simplify right side
    307,148x = 216,243,600,400
  5. Step 5: Solve for x
    x = 216,243,600,400/307,148
  6. Step 6: Final answer
    x = 704,037.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.