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Finding the Third Proportional to 13,909,057 and 21,276,655

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Solution

The third proportional to 13,909,057 and 21,276,655 is: 32,546,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,057 : 21,276,655 = 21,276,655 : x
  2. Step 2: Convert to fraction form
    13,909,057/21,276,655 = 21,276,655/x
  3. Step 3: Cross multiply
    13,909,057x = 21,276,655 × 21,276,655
  4. Step 4: Simplify right side
    13,909,057x = 452,696,047,989,025
  5. Step 5: Solve for x
    x = 452,696,047,989,025/13,909,057
  6. Step 6: Final answer
    x = 32,546,854.04

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.