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Finding the Third Proportional to 11,232,546 and 21,905,220

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Solution

The third proportional to 11,232,546 and 21,905,220 is: 42,718,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232,546 : 21,905,220 = 21,905,220 : x
  2. Step 2: Convert to fraction form
    11,232,546/21,905,220 = 21,905,220/x
  3. Step 3: Cross multiply
    11,232,546x = 21,905,220 × 21,905,220
  4. Step 4: Simplify right side
    11,232,546x = 479,838,663,248,400
  5. Step 5: Solve for x
    x = 479,838,663,248,400/11,232,546
  6. Step 6: Final answer
    x = 42,718,602.11

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.