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Finding the Third Proportional to 12,760,196 and 28,000,447

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Solution

The third proportional to 12,760,196 and 28,000,447 is: 61,443,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,196 : 28,000,447 = 28,000,447 : x
  2. Step 2: Convert to fraction form
    12,760,196/28,000,447 = 28,000,447/x
  3. Step 3: Cross multiply
    12,760,196x = 28,000,447 × 28,000,447
  4. Step 4: Simplify right side
    12,760,196x = 784,025,032,199,809
  5. Step 5: Solve for x
    x = 784,025,032,199,809/12,760,196
  6. Step 6: Final answer
    x = 61,443,024.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.