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Finding the Third Proportional to 8,693,962.88 and 12,775,109.91

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Solution

The third proportional to 8,693,962.88 and 12,775,109.91 is: 18,772,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,962.88 : 12,775,109.91 = 12,775,109.91 : x
  2. Step 2: Convert to fraction form
    8,693,962.88/12,775,109.91 = 12,775,109.91/x
  3. Step 3: Cross multiply
    8,693,962.88x = 12,775,109.91 × 12,775,109.91
  4. Step 4: Simplify right side
    8,693,962.88x = 163,203,433,116,766.88
  5. Step 5: Solve for x
    x = 163,203,433,116,766.88/8,693,962.88
  6. Step 6: Final answer
    x = 18,772,041.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.