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Finding the Third Proportional to 3,548,515.50 and 5,316,869.50

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Solution

The third proportional to 3,548,515.50 and 5,316,869.50 is: 7,966,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,515.50 : 5,316,869.50 = 5,316,869.50 : x
  2. Step 2: Convert to fraction form
    3,548,515.50/5,316,869.50 = 5,316,869.50/x
  3. Step 3: Cross multiply
    3,548,515.50x = 5,316,869.50 × 5,316,869.50
  4. Step 4: Simplify right side
    3,548,515.50x = 28,269,101,280,030.25
  5. Step 5: Solve for x
    x = 28,269,101,280,030.25/3,548,515.50
  6. Step 6: Final answer
    x = 7,966,458.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.