Home / 42,975,382.50-66,641,649.75

Finding the Third Proportional to 42,975,382.50 and 66,641,649.75

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Solution

The third proportional to 42,975,382.50 and 66,641,649.75 is: 103,340,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975,382.50 : 66,641,649.75 = 66,641,649.75 : x
  2. Step 2: Convert to fraction form
    42,975,382.50/66,641,649.75 = 66,641,649.75/x
  3. Step 3: Cross multiply
    42,975,382.50x = 66,641,649.75 × 66,641,649.75
  4. Step 4: Simplify right side
    42,975,382.50x = 4,441,109,481,401,675
  5. Step 5: Solve for x
    x = 4,441,109,481,401,675/42,975,382.50
  6. Step 6: Final answer
    x = 103,340,778.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.