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Finding the Third Proportional to 4,988,939 and 7,296,784.50

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Solution

The third proportional to 4,988,939 and 7,296,784.50 is: 10,672,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,939 : 7,296,784.50 = 7,296,784.50 : x
  2. Step 2: Convert to fraction form
    4,988,939/7,296,784.50 = 7,296,784.50/x
  3. Step 3: Cross multiply
    4,988,939x = 7,296,784.50 × 7,296,784.50
  4. Step 4: Simplify right side
    4,988,939x = 53,243,064,039,440.25
  5. Step 5: Solve for x
    x = 53,243,064,039,440.25/4,988,939
  6. Step 6: Final answer
    x = 10,672,221.90

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.