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Finding the Third Proportional to 122,711,217 and 272,662,590

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Solution

The third proportional to 122,711,217 and 272,662,590 is: 605,852,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711,217 : 272,662,590 = 272,662,590 : x
  2. Step 2: Convert to fraction form
    122,711,217/272,662,590 = 272,662,590/x
  3. Step 3: Cross multiply
    122,711,217x = 272,662,590 × 272,662,590
  4. Step 4: Simplify right side
    122,711,217x = 74,344,887,985,508,096
  5. Step 5: Solve for x
    x = 74,344,887,985,508,096/122,711,217
  6. Step 6: Final answer
    x = 605,852,421.67

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.