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Finding the Third Proportional to 340,216 and 732,428

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Solution

The third proportional to 340,216 and 732,428 is: 1,576,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,216 : 732,428 = 732,428 : x
  2. Step 2: Convert to fraction form
    340,216/732,428 = 732,428/x
  3. Step 3: Cross multiply
    340,216x = 732,428 × 732,428
  4. Step 4: Simplify right side
    340,216x = 536,450,775,184
  5. Step 5: Solve for x
    x = 536,450,775,184/340,216
  6. Step 6: Final answer
    x = 1,576,794.67

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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.