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Finding the Third Proportional to 6,620,886 and 14,221,620

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Solution

The third proportional to 6,620,886 and 14,221,620 is: 30,547,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,886 : 14,221,620 = 14,221,620 : x
  2. Step 2: Convert to fraction form
    6,620,886/14,221,620 = 14,221,620/x
  3. Step 3: Cross multiply
    6,620,886x = 14,221,620 × 14,221,620
  4. Step 4: Simplify right side
    6,620,886x = 202,254,475,424,400
  5. Step 5: Solve for x
    x = 202,254,475,424,400/6,620,886
  6. Step 6: Final answer
    x = 30,547,947.12

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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.