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Finding the Third Proportional to 3,662,554.50 and 5,387,985

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Solution

The third proportional to 3,662,554.50 and 5,387,985 is: 7,926,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662,554.50 : 5,387,985 = 5,387,985 : x
  2. Step 2: Convert to fraction form
    3,662,554.50/5,387,985 = 5,387,985/x
  3. Step 3: Cross multiply
    3,662,554.50x = 5,387,985 × 5,387,985
  4. Step 4: Simplify right side
    3,662,554.50x = 29,030,382,360,225
  5. Step 5: Solve for x
    x = 29,030,382,360,225/3,662,554.50
  6. Step 6: Final answer
    x = 7,926,266.32

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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.