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Finding the Third Proportional to 15,128,432 and 22,708,128

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Solution

The third proportional to 15,128,432 and 22,708,128 is: 34,085,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,432 : 22,708,128 = 22,708,128 : x
  2. Step 2: Convert to fraction form
    15,128,432/22,708,128 = 22,708,128/x
  3. Step 3: Cross multiply
    15,128,432x = 22,708,128 × 22,708,128
  4. Step 4: Simplify right side
    15,128,432x = 515,659,077,264,384
  5. Step 5: Solve for x
    x = 515,659,077,264,384/15,128,432
  6. Step 6: Final answer
    x = 34,085,427.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.