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Finding the Third Proportional to 1,942,572 and 4,121,853

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Solution

The third proportional to 1,942,572 and 4,121,853 is: 8,745,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,572 : 4,121,853 = 4,121,853 : x
  2. Step 2: Convert to fraction form
    1,942,572/4,121,853 = 4,121,853/x
  3. Step 3: Cross multiply
    1,942,572x = 4,121,853 × 4,121,853
  4. Step 4: Simplify right side
    1,942,572x = 16,989,672,153,609
  5. Step 5: Solve for x
    x = 16,989,672,153,609/1,942,572
  6. Step 6: Final answer
    x = 8,745,967.80

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.