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Finding the Third Proportional to 755,417 and 1,622,646

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Solution

The third proportional to 755,417 and 1,622,646 is: 3,485,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,417 : 1,622,646 = 1,622,646 : x
  2. Step 2: Convert to fraction form
    755,417/1,622,646 = 1,622,646/x
  3. Step 3: Cross multiply
    755,417x = 1,622,646 × 1,622,646
  4. Step 4: Simplify right side
    755,417x = 2,632,980,041,316
  5. Step 5: Solve for x
    x = 2,632,980,041,316/755,417
  6. Step 6: Final answer
    x = 3,485,465.70

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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.