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Finding the Third Proportional to 3,276,432 and 5,128,541

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Solution

The third proportional to 3,276,432 and 5,128,541 is: 8,027,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,432 : 5,128,541 = 5,128,541 : x
  2. Step 2: Convert to fraction form
    3,276,432/5,128,541 = 5,128,541/x
  3. Step 3: Cross multiply
    3,276,432x = 5,128,541 × 5,128,541
  4. Step 4: Simplify right side
    3,276,432x = 26,301,932,788,681
  5. Step 5: Solve for x
    x = 26,301,932,788,681/3,276,432
  6. Step 6: Final answer
    x = 8,027,614.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.