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Finding the Third Proportional to 8,693,968.50 and 12,775,117.50

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Solution

The third proportional to 8,693,968.50 and 12,775,117.50 is: 18,772,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,968.50 : 12,775,117.50 = 12,775,117.50 : x
  2. Step 2: Convert to fraction form
    8,693,968.50/12,775,117.50 = 12,775,117.50/x
  3. Step 3: Cross multiply
    8,693,968.50x = 12,775,117.50 × 12,775,117.50
  4. Step 4: Simplify right side
    8,693,968.50x = 163,203,627,138,806.25
  5. Step 5: Solve for x
    x = 163,203,627,138,806.25/8,693,968.50
  6. Step 6: Final answer
    x = 18,772,051.81

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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.