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Finding the Third Proportional to 6,430,884 and 9,953,100

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Solution

The third proportional to 6,430,884 and 9,953,100 is: 15,404,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,884 : 9,953,100 = 9,953,100 : x
  2. Step 2: Convert to fraction form
    6,430,884/9,953,100 = 9,953,100/x
  3. Step 3: Cross multiply
    6,430,884x = 9,953,100 × 9,953,100
  4. Step 4: Simplify right side
    6,430,884x = 99,064,199,610,000
  5. Step 5: Solve for x
    x = 99,064,199,610,000/6,430,884
  6. Step 6: Final answer
    x = 15,404,445.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.