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Finding the Third Proportional to 362,329 and 787,090

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Solution

The third proportional to 362,329 and 787,090 is: 1,709,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,329 : 787,090 = 787,090 : x
  2. Step 2: Convert to fraction form
    362,329/787,090 = 787,090/x
  3. Step 3: Cross multiply
    362,329x = 787,090 × 787,090
  4. Step 4: Simplify right side
    362,329x = 619,510,668,100
  5. Step 5: Solve for x
    x = 619,510,668,100/362,329
  6. Step 6: Final answer
    x = 1,709,801.50

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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.