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Finding the Third Proportional to 12,420,445 and 26,730,458

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Solution

The third proportional to 12,420,445 and 26,730,458 is: 57,527,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,445 : 26,730,458 = 26,730,458 : x
  2. Step 2: Convert to fraction form
    12,420,445/26,730,458 = 26,730,458/x
  3. Step 3: Cross multiply
    12,420,445x = 26,730,458 × 26,730,458
  4. Step 4: Simplify right side
    12,420,445x = 714,517,384,889,764
  5. Step 5: Solve for x
    x = 714,517,384,889,764/12,420,445
  6. Step 6: Final answer
    x = 57,527,518.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.