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Finding the Third Proportional to 12,238,870 and 26,639,711

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Solution

The third proportional to 12,238,870 and 26,639,711 is: 57,985,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,870 : 26,639,711 = 26,639,711 : x
  2. Step 2: Convert to fraction form
    12,238,870/26,639,711 = 26,639,711/x
  3. Step 3: Cross multiply
    12,238,870x = 26,639,711 × 26,639,711
  4. Step 4: Simplify right side
    12,238,870x = 709,674,202,163,521
  5. Step 5: Solve for x
    x = 709,674,202,163,521/12,238,870
  6. Step 6: Final answer
    x = 57,985,271.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.