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Finding the Third Proportional to 12,663,666 and 20,959,526

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Solution

The third proportional to 12,663,666 and 20,959,526 is: 34,689,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,666 : 20,959,526 = 20,959,526 : x
  2. Step 2: Convert to fraction form
    12,663,666/20,959,526 = 20,959,526/x
  3. Step 3: Cross multiply
    12,663,666x = 20,959,526 × 20,959,526
  4. Step 4: Simplify right side
    12,663,666x = 439,301,730,144,676
  5. Step 5: Solve for x
    x = 439,301,730,144,676/12,663,666
  6. Step 6: Final answer
    x = 34,689,933.40

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.