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Finding the Third Proportional to 59,354,397 and 128,860,713

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Solution

The third proportional to 59,354,397 and 128,860,713 is: 279,761,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,354,397 : 128,860,713 = 128,860,713 : x
  2. Step 2: Convert to fraction form
    59,354,397/128,860,713 = 128,860,713/x
  3. Step 3: Cross multiply
    59,354,397x = 128,860,713 × 128,860,713
  4. Step 4: Simplify right side
    59,354,397x = 16,605,083,354,868,368
  5. Step 5: Solve for x
    x = 16,605,083,354,868,368/59,354,397
  6. Step 6: Final answer
    x = 279,761,638.47

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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.