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Finding the Third Proportional to 13,556,430 and 20,652,300

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Solution

The third proportional to 13,556,430 and 20,652,300 is: 31,462,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,430 : 20,652,300 = 20,652,300 : x
  2. Step 2: Convert to fraction form
    13,556,430/20,652,300 = 20,652,300/x
  3. Step 3: Cross multiply
    13,556,430x = 20,652,300 × 20,652,300
  4. Step 4: Simplify right side
    13,556,430x = 426,517,495,290,000
  5. Step 5: Solve for x
    x = 426,517,495,290,000/13,556,430
  6. Step 6: Final answer
    x = 31,462,375.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.