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Finding the Third Proportional to 15,149,951.28 and 23,506,499.64

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Solution

The third proportional to 15,149,951.28 and 23,506,499.64 is: 36,472,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,951.28 : 23,506,499.64 = 23,506,499.64 : x
  2. Step 2: Convert to fraction form
    15,149,951.28/23,506,499.64 = 23,506,499.64/x
  3. Step 3: Cross multiply
    15,149,951.28x = 23,506,499.64 × 23,506,499.64
  4. Step 4: Simplify right side
    15,149,951.28x = 552,555,525,171,070.44
  5. Step 5: Solve for x
    x = 552,555,525,171,070.44/15,149,951.28
  6. Step 6: Final answer
    x = 36,472,429.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.