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Finding the Third Proportional to 156,054,940 and 343,000,040

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Solution

The third proportional to 156,054,940 and 343,000,040 is: 753,894,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,054,940 : 343,000,040 = 343,000,040 : x
  2. Step 2: Convert to fraction form
    156,054,940/343,000,040 = 343,000,040/x
  3. Step 3: Cross multiply
    156,054,940x = 343,000,040 × 343,000,040
  4. Step 4: Simplify right side
    156,054,940x = 117,649,027,440,001,600
  5. Step 5: Solve for x
    x = 117,649,027,440,001,600/156,054,940
  6. Step 6: Final answer
    x = 753,894,925.98

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.