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Finding the Third Proportional to 9,355,403 and 20,154,550

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Solution

The third proportional to 9,355,403 and 20,154,550 is: 43,419,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,403 : 20,154,550 = 20,154,550 : x
  2. Step 2: Convert to fraction form
    9,355,403/20,154,550 = 20,154,550/x
  3. Step 3: Cross multiply
    9,355,403x = 20,154,550 × 20,154,550
  4. Step 4: Simplify right side
    9,355,403x = 406,205,885,702,500
  5. Step 5: Solve for x
    x = 406,205,885,702,500/9,355,403
  6. Step 6: Final answer
    x = 43,419,389.38

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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.