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Finding the Third Proportional to 59,354,356 and 128,860,631

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Solution

The third proportional to 59,354,356 and 128,860,631 is: 279,761,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,354,356 : 128,860,631 = 128,860,631 : x
  2. Step 2: Convert to fraction form
    59,354,356/128,860,631 = 128,860,631/x
  3. Step 3: Cross multiply
    59,354,356x = 128,860,631 × 128,860,631
  4. Step 4: Simplify right side
    59,354,356x = 16,605,062,221,718,160
  5. Step 5: Solve for x
    x = 16,605,062,221,718,160/59,354,356
  6. Step 6: Final answer
    x = 279,761,475.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.