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Finding the Third Proportional to 15,641,154 and 32,712,390

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Solution

The third proportional to 15,641,154 and 32,712,390 is: 68,415,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,154 : 32,712,390 = 32,712,390 : x
  2. Step 2: Convert to fraction form
    15,641,154/32,712,390 = 32,712,390/x
  3. Step 3: Cross multiply
    15,641,154x = 32,712,390 × 32,712,390
  4. Step 4: Simplify right side
    15,641,154x = 1,070,100,459,512,100
  5. Step 5: Solve for x
    x = 1,070,100,459,512,100/15,641,154
  6. Step 6: Final answer
    x = 68,415,697.43

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.