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Finding the Third Proportional to 1,972,931 and 4,239,572

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Solution

The third proportional to 1,972,931 and 4,239,572 is: 9,110,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,931 : 4,239,572 = 4,239,572 : x
  2. Step 2: Convert to fraction form
    1,972,931/4,239,572 = 4,239,572/x
  3. Step 3: Cross multiply
    1,972,931x = 4,239,572 × 4,239,572
  4. Step 4: Simplify right side
    1,972,931x = 17,973,970,743,184
  5. Step 5: Solve for x
    x = 17,973,970,743,184/1,972,931
  6. Step 6: Final answer
    x = 9,110,288.57

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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.