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Finding the Third Proportional to 21,388,608 and 46,186,236

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Solution

The third proportional to 21,388,608 and 46,186,236 is: 99,733,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,608 : 46,186,236 = 46,186,236 : x
  2. Step 2: Convert to fraction form
    21,388,608/46,186,236 = 46,186,236/x
  3. Step 3: Cross multiply
    21,388,608x = 46,186,236 × 46,186,236
  4. Step 4: Simplify right side
    21,388,608x = 2,133,168,395,847,696
  5. Step 5: Solve for x
    x = 2,133,168,395,847,696/21,388,608
  6. Step 6: Final answer
    x = 99,733,858.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.