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Finding the Third Proportional to 12,390,021 and 26,573,609

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Solution

The third proportional to 12,390,021 and 26,573,609 is: 56,993,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,021 : 26,573,609 = 26,573,609 : x
  2. Step 2: Convert to fraction form
    12,390,021/26,573,609 = 26,573,609/x
  3. Step 3: Cross multiply
    12,390,021x = 26,573,609 × 26,573,609
  4. Step 4: Simplify right side
    12,390,021x = 706,156,695,284,881
  5. Step 5: Solve for x
    x = 706,156,695,284,881/12,390,021
  6. Step 6: Final answer
    x = 56,993,986.96

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.