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Finding the Third Proportional to 590,602 and 1,289,465

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Solution

The third proportional to 590,602 and 1,289,465 is: 2,815,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,602 : 1,289,465 = 1,289,465 : x
  2. Step 2: Convert to fraction form
    590,602/1,289,465 = 1,289,465/x
  3. Step 3: Cross multiply
    590,602x = 1,289,465 × 1,289,465
  4. Step 4: Simplify right side
    590,602x = 1,662,719,986,225
  5. Step 5: Solve for x
    x = 1,662,719,986,225/590,602
  6. Step 6: Final answer
    x = 2,815,296.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.