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Finding the Third Proportional to 21,490,929 and 46,446,066

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Solution

The third proportional to 21,490,929 and 46,446,066 is: 100,378,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490,929 : 46,446,066 = 46,446,066 : x
  2. Step 2: Convert to fraction form
    21,490,929/46,446,066 = 46,446,066/x
  3. Step 3: Cross multiply
    21,490,929x = 46,446,066 × 46,446,066
  4. Step 4: Simplify right side
    21,490,929x = 2,157,237,046,876,356
  5. Step 5: Solve for x
    x = 2,157,237,046,876,356/21,490,929
  6. Step 6: Final answer
    x = 100,378,957.41

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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.