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Finding the Third Proportional to 720,036 and 1,555,572

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Solution

The third proportional to 720,036 and 1,555,572 is: 3,360,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,036 : 1,555,572 = 1,555,572 : x
  2. Step 2: Convert to fraction form
    720,036/1,555,572 = 1,555,572/x
  3. Step 3: Cross multiply
    720,036x = 1,555,572 × 1,555,572
  4. Step 4: Simplify right side
    720,036x = 2,419,804,247,184
  5. Step 5: Solve for x
    x = 2,419,804,247,184/720,036
  6. Step 6: Final answer
    x = 3,360,671.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.