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Finding the Third Proportional to 18,509,526 and 39,860,532

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Solution

The third proportional to 18,509,526 and 39,860,532 is: 85,840,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,526 : 39,860,532 = 39,860,532 : x
  2. Step 2: Convert to fraction form
    18,509,526/39,860,532 = 39,860,532/x
  3. Step 3: Cross multiply
    18,509,526x = 39,860,532 × 39,860,532
  4. Step 4: Simplify right side
    18,509,526x = 1,588,862,011,323,024
  5. Step 5: Solve for x
    x = 1,588,862,011,323,024/18,509,526
  6. Step 6: Final answer
    x = 85,840,232.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.