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Finding the Third Proportional to 3,217,835 and 4,721,557

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Solution

The third proportional to 3,217,835 and 4,721,557 is: 6,927,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,835 : 4,721,557 = 4,721,557 : x
  2. Step 2: Convert to fraction form
    3,217,835/4,721,557 = 4,721,557/x
  3. Step 3: Cross multiply
    3,217,835x = 4,721,557 × 4,721,557
  4. Step 4: Simplify right side
    3,217,835x = 22,293,100,504,249
  5. Step 5: Solve for x
    x = 22,293,100,504,249/3,217,835
  6. Step 6: Final answer
    x = 6,927,981.24

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.