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Finding the Third Proportional to 972,374 and 2,120,192

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Solution

The third proportional to 972,374 and 2,120,192 is: 4,622,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,374 : 2,120,192 = 2,120,192 : x
  2. Step 2: Convert to fraction form
    972,374/2,120,192 = 2,120,192/x
  3. Step 3: Cross multiply
    972,374x = 2,120,192 × 2,120,192
  4. Step 4: Simplify right side
    972,374x = 4,495,214,116,864
  5. Step 5: Solve for x
    x = 4,495,214,116,864/972,374
  6. Step 6: Final answer
    x = 4,622,927.10

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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.