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Finding the Third Proportional to 15,128,440 and 22,708,144

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Solution

The third proportional to 15,128,440 and 22,708,144 is: 34,085,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,440 : 22,708,144 = 22,708,144 : x
  2. Step 2: Convert to fraction form
    15,128,440/22,708,144 = 22,708,144/x
  3. Step 3: Cross multiply
    15,128,440x = 22,708,144 × 22,708,144
  4. Step 4: Simplify right side
    15,128,440x = 515,659,803,924,736
  5. Step 5: Solve for x
    x = 515,659,803,924,736/15,128,440
  6. Step 6: Final answer
    x = 34,085,457.85

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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.