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Finding the Third Proportional to 6,142,969.50 and 13,330,126.50

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Solution

The third proportional to 6,142,969.50 and 13,330,126.50 is: 28,926,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,969.50 : 13,330,126.50 = 13,330,126.50 : x
  2. Step 2: Convert to fraction form
    6,142,969.50/13,330,126.50 = 13,330,126.50/x
  3. Step 3: Cross multiply
    6,142,969.50x = 13,330,126.50 × 13,330,126.50
  4. Step 4: Simplify right side
    6,142,969.50x = 177,692,272,506,002.25
  5. Step 5: Solve for x
    x = 177,692,272,506,002.25/6,142,969.50
  6. Step 6: Final answer
    x = 28,926,119.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.