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Finding the Third Proportional to 79,354,066.50 and 122,569,354.50

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Solution

The third proportional to 79,354,066.50 and 122,569,354.50 is: 189,319,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354,066.50 : 122,569,354.50 = 122,569,354.50 : x
  2. Step 2: Convert to fraction form
    79,354,066.50/122,569,354.50 = 122,569,354.50/x
  3. Step 3: Cross multiply
    79,354,066.50x = 122,569,354.50 × 122,569,354.50
  4. Step 4: Simplify right side
    79,354,066.50x = 15,023,246,662,546,670
  5. Step 5: Solve for x
    x = 15,023,246,662,546,670/79,354,066.50
  6. Step 6: Final answer
    x = 189,319,178.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.